Finding the Fourth Proportional to 10,791,888.90, 16,187,833.35 and 5,417,117.70
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Solution
The fourth proportional to 10,791,888.90, 16,187,833.35 and 5,417,117.70 is: 8,125,676.55
Step by Step Solution
- Step 1: Write the proportion equation
10,791,888.90 : 16,187,833.35 = 5,417,117.70 : x - Step 2: Convert to fraction form
10,791,888.90/16,187,833.35 = 5,417,117.70/x - Step 3: Cross multiply
10,791,888.90x = 16,187,833.35 × 5,417,117.70 - Step 4: Simplify right side
10,791,888.90x = 87,691,398,564,935.30 - Step 5: Solve for x
x = 87,691,398,564,935.30/10,791,888.90 - Step 6: Final answer
x = 8,125,676.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.