Finding the Fourth Proportional to 10,865,107.20, 14,992,970.28 and 6,281,724
Calculator
Solution
The fourth proportional to 10,865,107.20, 14,992,970.28 and 6,281,724 is: 8,668,271.70
Step by Step Solution
- Step 1: Write the proportion equation
10,865,107.20 : 14,992,970.28 = 6,281,724 : x - Step 2: Convert to fraction form
10,865,107.20/14,992,970.28 = 6,281,724/x - Step 3: Cross multiply
10,865,107.20x = 14,992,970.28 × 6,281,724 - Step 4: Simplify right side
10,865,107.20x = 94,181,701,239,162.72 - Step 5: Solve for x
x = 94,181,701,239,162.72/10,865,107.20 - Step 6: Final answer
x = 8,668,271.70
Related Problems
Find fourth proportional to 5,432,553.60, 7,496,485.14 and 3,140,862
Half scale
Find fourth proportional to 21,730,214.40, 29,985,940.56 and 12,563,448
Double scale
Find fourth proportional to 10,865,108.20, 14,992,971.66 and 6,281,725
Similar ratio
Find fourth proportional to 16,297,660.80, 22,489,455.42 and 9,422,586
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.