Finding the Fourth Proportional to 19,932,404.70, 29,879,944.65 and 15,612,059.10
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Solution
The fourth proportional to 19,932,404.70, 29,879,944.65 and 15,612,059.10 is: 23,403,471.32
Step by Step Solution
- Step 1: Write the proportion equation
19,932,404.70 : 29,879,944.65 = 15,612,059.10 : x - Step 2: Convert to fraction form
19,932,404.70/29,879,944.65 = 15,612,059.10/x - Step 3: Cross multiply
19,932,404.70x = 29,879,944.65 × 15,612,059.10 - Step 4: Simplify right side
19,932,404.70x = 466,487,461,780,528.75 - Step 5: Solve for x
x = 466,487,461,780,528.75/19,932,404.70 - Step 6: Final answer
x = 23,403,471.32
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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.