Finding the Fourth Proportional to 19,518,176.68, 26,934,754.92 and 10,816,331.56
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Solution
The fourth proportional to 19,518,176.68, 26,934,754.92 and 10,816,331.56 is: 14,926,355.29
Step by Step Solution
- Step 1: Write the proportion equation
19,518,176.68 : 26,934,754.92 = 10,816,331.56 : x - Step 2: Convert to fraction form
19,518,176.68/26,934,754.92 = 10,816,331.56/x - Step 3: Cross multiply
19,518,176.68x = 26,934,754.92 × 10,816,331.56 - Step 4: Simplify right side
19,518,176.68x = 291,335,239,702,061.31 - Step 5: Solve for x
x = 291,335,239,702,061.31/19,518,176.68 - Step 6: Final answer
x = 14,926,355.29
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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.