Home / 19,928,348.70-29,892,523.05-13,125,903.90

Finding the Fourth Proportional to 19,928,348.70, 29,892,523.05 and 13,125,903.90

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Solution

The fourth proportional to 19,928,348.70, 29,892,523.05 and 13,125,903.90 is: 19,688,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,348.70 : 29,892,523.05 = 13,125,903.90 : x
  2. Step 2: Convert to fraction form
    19,928,348.70/29,892,523.05 = 13,125,903.90/x
  3. Step 3: Cross multiply
    19,928,348.70x = 29,892,523.05 × 13,125,903.90
  4. Step 4: Simplify right side
    19,928,348.70x = 392,366,384,882,834.94
  5. Step 5: Solve for x
    x = 392,366,384,882,834.94/19,928,348.70
  6. Step 6: Final answer
    x = 19,688,855.85

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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.