Finding the Fourth Proportional to 7,162,867.76, 10,737,547.44 and 3,565,233.62
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Solution
The fourth proportional to 7,162,867.76, 10,737,547.44 and 3,565,233.62 is: 5,344,488.61
Step by Step Solution
- Step 1: Write the proportion equation
7,162,867.76 : 10,737,547.44 = 3,565,233.62 : x - Step 2: Convert to fraction form
7,162,867.76/10,737,547.44 = 3,565,233.62/x - Step 3: Cross multiply
7,162,867.76x = 10,737,547.44 × 3,565,233.62 - Step 4: Simplify right side
7,162,867.76x = 38,281,865,156,276.80 - Step 5: Solve for x
x = 38,281,865,156,276.80/7,162,867.76 - Step 6: Final answer
x = 5,344,488.61
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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.