Finding the Fourth Proportional to 6,700,516.29, 9,974,994.21 and 6,660,658.08
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Solution
The fourth proportional to 6,700,516.29, 9,974,994.21 and 6,660,658.08 is: 9,915,657.68
Step by Step Solution
- Step 1: Write the proportion equation
6,700,516.29 : 9,974,994.21 = 6,660,658.08 : x - Step 2: Convert to fraction form
6,700,516.29/9,974,994.21 = 6,660,658.08/x - Step 3: Cross multiply
6,700,516.29x = 9,974,994.21 × 6,660,658.08 - Step 4: Simplify right side
6,700,516.29x = 66,440,025,782,789.73 - Step 5: Solve for x
x = 66,440,025,782,789.73/6,700,516.29 - Step 6: Final answer
x = 9,915,657.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.