Home / 7,129,227.40-10,693,841.10-5,449,611.40

Finding the Fourth Proportional to 7,129,227.40, 10,693,841.10 and 5,449,611.40

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Solution

The fourth proportional to 7,129,227.40, 10,693,841.10 and 5,449,611.40 is: 8,174,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,227.40 : 10,693,841.10 = 5,449,611.40 : x
  2. Step 2: Convert to fraction form
    7,129,227.40/10,693,841.10 = 5,449,611.40/x
  3. Step 3: Cross multiply
    7,129,227.40x = 10,693,841.10 × 5,449,611.40
  4. Step 4: Simplify right side
    7,129,227.40x = 58,277,278,368,348.54
  5. Step 5: Solve for x
    x = 58,277,278,368,348.54/7,129,227.40
  6. Step 6: Final answer
    x = 8,174,417.10

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Double scale
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Similar ratio
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1.5x scale

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.