Home / 10,126,320.75-13,974,453.86-5,542,543.71

Finding the Fourth Proportional to 10,126,320.75, 13,974,453.86 and 5,542,543.71

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Solution

The fourth proportional to 10,126,320.75, 13,974,453.86 and 5,542,543.71 is: 7,648,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,320.75 : 13,974,453.86 = 5,542,543.71 : x
  2. Step 2: Convert to fraction form
    10,126,320.75/13,974,453.86 = 5,542,543.71/x
  3. Step 3: Cross multiply
    10,126,320.75x = 13,974,453.86 × 5,542,543.71
  4. Step 4: Simplify right side
    10,126,320.75x = 77,454,021,314,715.50
  5. Step 5: Solve for x
    x = 77,454,021,314,715.50/10,126,320.75
  6. Step 6: Final answer
    x = 7,648,782.14

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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.