Finding the Fourth Proportional to 15,151,944.78, 22,731,275.57 and 4,368,404.09
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Solution
The fourth proportional to 15,151,944.78, 22,731,275.57 and 4,368,404.09 is: 6,553,574.39
Step by Step Solution
- Step 1: Write the proportion equation
15,151,944.78 : 22,731,275.57 = 4,368,404.09 : x - Step 2: Convert to fraction form
15,151,944.78/22,731,275.57 = 4,368,404.09/x - Step 3: Cross multiply
15,151,944.78x = 22,731,275.57 × 4,368,404.09 - Step 4: Simplify right side
15,151,944.78x = 99,299,397,205,891.27 - Step 5: Solve for x
x = 99,299,397,205,891.27/15,151,944.78 - Step 6: Final answer
x = 6,553,574.39
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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.