Finding the Fourth Proportional to 10,120,565.70, 13,966,538.13 and 5,536,963.62
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Solution
The fourth proportional to 10,120,565.70, 13,966,538.13 and 5,536,963.62 is: 7,641,095.94
Step by Step Solution
- Step 1: Write the proportion equation
10,120,565.70 : 13,966,538.13 = 5,536,963.62 : x - Step 2: Convert to fraction form
10,120,565.70/13,966,538.13 = 5,536,963.62/x - Step 3: Cross multiply
10,120,565.70x = 13,966,538.13 × 5,536,963.62 - Step 4: Simplify right side
10,120,565.70x = 77,332,213,523,152.84 - Step 5: Solve for x
x = 77,332,213,523,152.84/10,120,565.70 - Step 6: Final answer
x = 7,641,095.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.