Home / 13,439,797.38-20,159,696.88-5,358,448.17

Finding the Fourth Proportional to 13,439,797.38, 20,159,696.88 and 5,358,448.17

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Solution

The fourth proportional to 13,439,797.38, 20,159,696.88 and 5,358,448.17 is: 8,037,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,797.38 : 20,159,696.88 = 5,358,448.17 : x
  2. Step 2: Convert to fraction form
    13,439,797.38/20,159,696.88 = 5,358,448.17/x
  3. Step 3: Cross multiply
    13,439,797.38x = 20,159,696.88 × 5,358,448.17
  4. Step 4: Simplify right side
    13,439,797.38x = 108,024,690,854,390.70
  5. Step 5: Solve for x
    x = 108,024,690,854,390.70/13,439,797.38
  6. Step 6: Final answer
    x = 8,037,672.58

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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.