Home / 10,126,284.75-13,974,404.22-5,542,507.71

Finding the Fourth Proportional to 10,126,284.75, 13,974,404.22 and 5,542,507.71

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Solution

The fourth proportional to 10,126,284.75, 13,974,404.22 and 5,542,507.71 is: 7,648,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,284.75 : 13,974,404.22 = 5,542,507.71 : x
  2. Step 2: Convert to fraction form
    10,126,284.75/13,974,404.22 = 5,542,507.71/x
  3. Step 3: Cross multiply
    10,126,284.75x = 13,974,404.22 × 5,542,507.71
  4. Step 4: Simplify right side
    10,126,284.75x = 77,453,243,132,006.55
  5. Step 5: Solve for x
    x = 77,453,243,132,006.55/10,126,284.75
  6. Step 6: Final answer
    x = 7,648,732.49

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Double scale
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1.5x scale

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.