Finding the Fourth Proportional to 10,803,691.80, 16,183,764.90 and 6,747,730.20
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Solution
The fourth proportional to 10,803,691.80, 16,183,764.90 and 6,747,730.20 is: 10,107,996.52
Step by Step Solution
- Step 1: Write the proportion equation
10,803,691.80 : 16,183,764.90 = 6,747,730.20 : x - Step 2: Convert to fraction form
10,803,691.80/16,183,764.90 = 6,747,730.20/x - Step 3: Cross multiply
10,803,691.80x = 16,183,764.90 × 6,747,730.20 - Step 4: Simplify right side
10,803,691.80x = 109,203,679,165,429.98 - Step 5: Solve for x
x = 109,203,679,165,429.98/10,803,691.80 - Step 6: Final answer
x = 10,107,996.52
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1.5x scale
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.