Finding the Fourth Proportional to 11,561,574.18, 15,955,952.14 and 6,406,552.74
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Solution
The fourth proportional to 11,561,574.18, 15,955,952.14 and 6,406,552.74 is: 8,841,585.69
Step by Step Solution
- Step 1: Write the proportion equation
11,561,574.18 : 15,955,952.14 = 6,406,552.74 : x - Step 2: Convert to fraction form
11,561,574.18/15,955,952.14 = 6,406,552.74/x - Step 3: Cross multiply
11,561,574.18x = 15,955,952.14 × 6,406,552.74 - Step 4: Simplify right side
11,561,574.18x = 102,222,648,822,046.11 - Step 5: Solve for x
x = 102,222,648,822,046.11/11,561,574.18 - Step 6: Final answer
x = 8,841,585.69
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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.