Finding the Fourth Proportional to 10,396,332.12, 15,664,681.68 and 8,614,353.40
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Solution
The fourth proportional to 10,396,332.12, 15,664,681.68 and 8,614,353.40 is: 12,979,683.83
Step by Step Solution
- Step 1: Write the proportion equation
10,396,332.12 : 15,664,681.68 = 8,614,353.40 : x - Step 2: Convert to fraction form
10,396,332.12/15,664,681.68 = 8,614,353.40/x - Step 3: Cross multiply
10,396,332.12x = 15,664,681.68 × 8,614,353.40 - Step 4: Simplify right side
10,396,332.12x = 134,941,103,890,025.72 - Step 5: Solve for x
x = 134,941,103,890,025.72/10,396,332.12 - Step 6: Final answer
x = 12,979,683.83
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.