Finding the Fourth Proportional to 11,553,459.12, 15,944,022.18 and 6,326,687.88
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Solution
The fourth proportional to 11,553,459.12, 15,944,022.18 and 6,326,687.88 is: 8,730,965.40
Step by Step Solution
- Step 1: Write the proportion equation
11,553,459.12 : 15,944,022.18 = 6,326,687.88 : x - Step 2: Convert to fraction form
11,553,459.12/15,944,022.18 = 6,326,687.88/x - Step 3: Cross multiply
11,553,459.12x = 15,944,022.18 × 6,326,687.88 - Step 4: Simplify right side
11,553,459.12x = 100,872,851,884,657.17 - Step 5: Solve for x
x = 100,872,851,884,657.17/11,553,459.12 - Step 6: Final answer
x = 8,730,965.40
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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.