Home / 8,640,015.30-12,960,022.95-5,952,629.70

Finding the Fourth Proportional to 8,640,015.30, 12,960,022.95 and 5,952,629.70

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Solution

The fourth proportional to 8,640,015.30, 12,960,022.95 and 5,952,629.70 is: 8,928,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,015.30 : 12,960,022.95 = 5,952,629.70 : x
  2. Step 2: Convert to fraction form
    8,640,015.30/12,960,022.95 = 5,952,629.70/x
  3. Step 3: Cross multiply
    8,640,015.30x = 12,960,022.95 × 5,952,629.70
  4. Step 4: Simplify right side
    8,640,015.30x = 77,146,217,524,851.61
  5. Step 5: Solve for x
    x = 77,146,217,524,851.61/8,640,015.30
  6. Step 6: Final answer
    x = 8,928,944.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.