Finding the Fourth Proportional to 7,555,121.10, 11,332,681.65 and 6,385,950.90
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Solution
The fourth proportional to 7,555,121.10, 11,332,681.65 and 6,385,950.90 is: 9,578,926.35
Step by Step Solution
- Step 1: Write the proportion equation
7,555,121.10 : 11,332,681.65 = 6,385,950.90 : x - Step 2: Convert to fraction form
7,555,121.10/11,332,681.65 = 6,385,950.90/x - Step 3: Cross multiply
7,555,121.10x = 11,332,681.65 × 6,385,950.90 - Step 4: Simplify right side
7,555,121.10x = 72,369,948,582,230.98 - Step 5: Solve for x
x = 72,369,948,582,230.98/7,555,121.10 - Step 6: Final answer
x = 9,578,926.35
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Similar ratio
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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.