Finding the Fourth Proportional to 58,451,331.30, 87,689,438.55 and 18,065,897.70
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Solution
The fourth proportional to 58,451,331.30, 87,689,438.55 and 18,065,897.70 is: 27,102,691.95
Step by Step Solution
- Step 1: Write the proportion equation
58,451,331.30 : 87,689,438.55 = 18,065,897.70 : x - Step 2: Convert to fraction form
58,451,331.30/87,689,438.55 = 18,065,897.70/x - Step 3: Cross multiply
58,451,331.30x = 87,689,438.55 × 18,065,897.70 - Step 4: Simplify right side
58,451,331.30x = 1,584,188,426,214,736.25 - Step 5: Solve for x
x = 1,584,188,426,214,736.25/58,451,331.30 - Step 6: Final answer
x = 27,102,691.95
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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.