Finding the Fourth Proportional to 9,874,385.97, 13,620,694.14 and 6,521,572.80
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Solution
The fourth proportional to 9,874,385.97, 13,620,694.14 and 6,521,572.80 is: 8,995,835.15
Step by Step Solution
- Step 1: Write the proportion equation
9,874,385.97 : 13,620,694.14 = 6,521,572.80 : x - Step 2: Convert to fraction form
9,874,385.97/13,620,694.14 = 6,521,572.80/x - Step 3: Cross multiply
9,874,385.97x = 13,620,694.14 × 6,521,572.80 - Step 4: Simplify right side
9,874,385.97x = 88,828,348,420,543.39 - Step 5: Solve for x
x = 88,828,348,420,543.39/9,874,385.97 - Step 6: Final answer
x = 8,995,835.15
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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.