Finding the Fourth Proportional to 18,036,654.68, 24,889,916.38 and 9,776,539.61
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Solution
The fourth proportional to 18,036,654.68, 24,889,916.38 and 9,776,539.61 is: 13,491,263.08
Step by Step Solution
- Step 1: Write the proportion equation
18,036,654.68 : 24,889,916.38 = 9,776,539.61 : x - Step 2: Convert to fraction form
18,036,654.68/24,889,916.38 = 9,776,539.61/x - Step 3: Cross multiply
18,036,654.68x = 24,889,916.38 × 9,776,539.61 - Step 4: Simplify right side
18,036,654.68x = 243,337,253,378,657.78 - Step 5: Solve for x
x = 243,337,253,378,657.78/18,036,654.68 - Step 6: Final answer
x = 13,491,263.08
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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.