Home / 9,360,139.40-12,916,760.52-5,229,917

Finding the Fourth Proportional to 9,360,139.40, 12,916,760.52 and 5,229,917

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Solution

The fourth proportional to 9,360,139.40, 12,916,760.52 and 5,229,917 is: 7,217,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,139.40 : 12,916,760.52 = 5,229,917 : x
  2. Step 2: Convert to fraction form
    9,360,139.40/12,916,760.52 = 5,229,917/x
  3. Step 3: Cross multiply
    9,360,139.40x = 12,916,760.52 × 5,229,917
  4. Step 4: Simplify right side
    9,360,139.40x = 67,553,585,428,476.84
  5. Step 5: Solve for x
    x = 67,553,585,428,476.84/9,360,139.40
  6. Step 6: Final answer
    x = 7,217,155.91

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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.