Home / 38,960,013.20-58,440,019.80-18,804,621.20

Finding the Fourth Proportional to 38,960,013.20, 58,440,019.80 and 18,804,621.20

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Solution

The fourth proportional to 38,960,013.20, 58,440,019.80 and 18,804,621.20 is: 28,206,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960,013.20 : 58,440,019.80 = 18,804,621.20 : x
  2. Step 2: Convert to fraction form
    38,960,013.20/58,440,019.80 = 18,804,621.20/x
  3. Step 3: Cross multiply
    38,960,013.20x = 58,440,019.80 × 18,804,621.20
  4. Step 4: Simplify right side
    38,960,013.20x = 1,098,942,435,259,499.62
  5. Step 5: Solve for x
    x = 1,098,942,435,259,499.62/38,960,013.20
  6. Step 6: Final answer
    x = 28,206,931.80

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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.