Finding the Fourth Proportional to 6,221,411.70, 9,332,117.55 and 5,158,529.70
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Solution
The fourth proportional to 6,221,411.70, 9,332,117.55 and 5,158,529.70 is: 7,737,794.55
Step by Step Solution
- Step 1: Write the proportion equation
6,221,411.70 : 9,332,117.55 = 5,158,529.70 : x - Step 2: Convert to fraction form
6,221,411.70/9,332,117.55 = 5,158,529.70/x - Step 3: Cross multiply
6,221,411.70x = 9,332,117.55 × 5,158,529.70 - Step 4: Simplify right side
6,221,411.70x = 48,140,005,545,566.24 - Step 5: Solve for x
x = 48,140,005,545,566.24/6,221,411.70 - Step 6: Final answer
x = 7,737,794.55
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Double scale
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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.