Home / 10,119,905.28-13,965,419.52-5,536,143.36

Finding the Fourth Proportional to 10,119,905.28, 13,965,419.52 and 5,536,143.36

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Solution

The fourth proportional to 10,119,905.28, 13,965,419.52 and 5,536,143.36 is: 7,639,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119,905.28 : 13,965,419.52 = 5,536,143.36 : x
  2. Step 2: Convert to fraction form
    10,119,905.28/13,965,419.52 = 5,536,143.36/x
  3. Step 3: Cross multiply
    10,119,905.28x = 13,965,419.52 × 5,536,143.36
  4. Step 4: Simplify right side
    10,119,905.28x = 77,314,564,545,262.39
  5. Step 5: Solve for x
    x = 77,314,564,545,262.39/10,119,905.28
  6. Step 6: Final answer
    x = 7,639,850.61

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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.