Finding the Fourth Proportional to 10,361,352.70, 15,514,035.45 and 8,121,864.70
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Solution
The fourth proportional to 10,361,352.70, 15,514,035.45 and 8,121,864.70 is: 12,160,853.95
Step by Step Solution
- Step 1: Write the proportion equation
10,361,352.70 : 15,514,035.45 = 8,121,864.70 : x - Step 2: Convert to fraction form
10,361,352.70/15,514,035.45 = 8,121,864.70/x - Step 3: Cross multiply
10,361,352.70x = 15,514,035.45 × 8,121,864.70 - Step 4: Simplify right side
10,361,352.70x = 126,002,896,875,903.61 - Step 5: Solve for x
x = 126,002,896,875,903.61/10,361,352.70 - Step 6: Final answer
x = 12,160,853.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.