Finding the Fourth Proportional to 15,986,433.18, 22,059,944.12 and 9,016,726.62
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Solution
The fourth proportional to 15,986,433.18, 22,059,944.12 and 9,016,726.62 is: 12,442,330.52
Step by Step Solution
- Step 1: Write the proportion equation
15,986,433.18 : 22,059,944.12 = 9,016,726.62 : x - Step 2: Convert to fraction form
15,986,433.18/22,059,944.12 = 9,016,726.62/x - Step 3: Cross multiply
15,986,433.18x = 22,059,944.12 × 9,016,726.62 - Step 4: Simplify right side
15,986,433.18x = 198,908,485,382,516.47 - Step 5: Solve for x
x = 198,908,485,382,516.47/15,986,433.18 - Step 6: Final answer
x = 12,442,330.52
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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.