Finding the Fourth Proportional to 17,921,904.89, 26,875,445.99 and 5,621,765.49
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Solution
The fourth proportional to 17,921,904.89, 26,875,445.99 and 5,621,765.49 is: 8,430,323.44
Step by Step Solution
- Step 1: Write the proportion equation
17,921,904.89 : 26,875,445.99 = 5,621,765.49 : x - Step 2: Convert to fraction form
17,921,904.89/26,875,445.99 = 5,621,765.49/x - Step 3: Cross multiply
17,921,904.89x = 26,875,445.99 × 5,621,765.49 - Step 4: Simplify right side
17,921,904.89x = 151,087,454,766,832.06 - Step 5: Solve for x
x = 151,087,454,766,832.06/17,921,904.89 - Step 6: Final answer
x = 8,430,323.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.