Finding the Fourth Proportional to 42,290,251.36, 63,435,432.71 and 11,585,103.73
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Solution
The fourth proportional to 42,290,251.36, 63,435,432.71 and 11,585,103.73 is: 17,377,670.85
Step by Step Solution
- Step 1: Write the proportion equation
42,290,251.36 : 63,435,432.71 = 11,585,103.73 : x - Step 2: Convert to fraction form
42,290,251.36/63,435,432.71 = 11,585,103.73/x - Step 3: Cross multiply
42,290,251.36x = 63,435,432.71 × 11,585,103.73 - Step 4: Simplify right side
42,290,251.36x = 734,906,068,102,785 - Step 5: Solve for x
x = 734,906,068,102,785/42,290,251.36 - Step 6: Final answer
x = 17,377,670.85
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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.