Finding the Fourth Proportional to 15,261,301.20, 22,891,951.80 and 10,418,545.09
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Solution
The fourth proportional to 15,261,301.20, 22,891,951.80 and 10,418,545.09 is: 15,627,817.63
Step by Step Solution
- Step 1: Write the proportion equation
15,261,301.20 : 22,891,951.80 = 10,418,545.09 : x - Step 2: Convert to fraction form
15,261,301.20/22,891,951.80 = 10,418,545.09/x - Step 3: Cross multiply
15,261,301.20x = 22,891,951.80 × 10,418,545.09 - Step 4: Simplify right side
15,261,301.20x = 238,500,831,969,176.81 - Step 5: Solve for x
x = 238,500,831,969,176.81/15,261,301.20 - Step 6: Final answer
x = 15,627,817.63
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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.