Finding the Fourth Proportional to 11,569,207.56, 15,957,216.18 and 7,644,417.80
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Solution
The fourth proportional to 11,569,207.56, 15,957,216.18 and 7,644,417.80 is: 10,543,818.73
Step by Step Solution
- Step 1: Write the proportion equation
11,569,207.56 : 15,957,216.18 = 7,644,417.80 : x - Step 2: Convert to fraction form
11,569,207.56/15,957,216.18 = 7,644,417.80/x - Step 3: Cross multiply
11,569,207.56x = 15,957,216.18 × 7,644,417.80 - Step 4: Simplify right side
11,569,207.56x = 121,983,627,404,840 - Step 5: Solve for x
x = 121,983,627,404,840/11,569,207.56 - Step 6: Final answer
x = 10,543,818.73
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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.