Finding the Fourth Proportional to 19,967,925.68, 27,553,366.32 and 11,265,590.24
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Solution
The fourth proportional to 19,967,925.68, 27,553,366.32 and 11,265,590.24 is: 15,545,176.78
Step by Step Solution
- Step 1: Write the proportion equation
19,967,925.68 : 27,553,366.32 = 11,265,590.24 : x - Step 2: Convert to fraction form
19,967,925.68/27,553,366.32 = 11,265,590.24/x - Step 3: Cross multiply
19,967,925.68x = 27,553,366.32 × 11,265,590.24 - Step 4: Simplify right side
19,967,925.68x = 310,404,934,693,736.75 - Step 5: Solve for x
x = 310,404,934,693,736.75/19,967,925.68 - Step 6: Final answer
x = 15,545,176.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.