Finding the Fourth Proportional to 22,390,896.72, 30,908,971.49 and 15,052,985.99
Calculator
Solution
The fourth proportional to 22,390,896.72, 30,908,971.49 and 15,052,985.99 is: 20,779,530.20
Step by Step Solution
- Step 1: Write the proportion equation
22,390,896.72 : 30,908,971.49 = 15,052,985.99 : x - Step 2: Convert to fraction form
22,390,896.72/30,908,971.49 = 15,052,985.99/x - Step 3: Cross multiply
22,390,896.72x = 30,908,971.49 × 15,052,985.99 - Step 4: Simplify right side
22,390,896.72x = 465,272,314,574,469.62 - Step 5: Solve for x
x = 465,272,314,574,469.62/22,390,896.72 - Step 6: Final answer
x = 20,779,530.20
Related Problems
Find fourth proportional to 11,195,448.36, 15,454,485.74 and 7,526,492.99
Half scale
Find fourth proportional to 44,781,793.44, 61,817,942.97 and 30,105,971.97
Double scale
Find fourth proportional to 22,390,897.72, 30,908,972.87 and 15,052,986.99
Similar ratio
Find fourth proportional to 33,586,345.08, 46,363,457.23 and 22,579,478.98
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.