Home / 10,099,945.28-13,937,708.88-5,516,285.12

Finding the Fourth Proportional to 10,099,945.28, 13,937,708.88 and 5,516,285.12

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Solution

The fourth proportional to 10,099,945.28, 13,937,708.88 and 5,516,285.12 is: 7,612,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,945.28 : 13,937,708.88 = 5,516,285.12 : x
  2. Step 2: Convert to fraction form
    10,099,945.28/13,937,708.88 = 5,516,285.12/x
  3. Step 3: Cross multiply
    10,099,945.28x = 13,937,708.88 × 5,516,285.12
  4. Step 4: Simplify right side
    10,099,945.28x = 76,884,376,101,635.88
  5. Step 5: Solve for x
    x = 76,884,376,101,635.88/10,099,945.28
  6. Step 6: Final answer
    x = 7,612,355.71

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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.