Home / 38,986,243.92-58,483,282.68-13,423,870.80

Finding the Fourth Proportional to 38,986,243.92, 58,483,282.68 and 13,423,870.80

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Solution

The fourth proportional to 38,986,243.92, 58,483,282.68 and 13,423,870.80 is: 20,137,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,243.92 : 58,483,282.68 = 13,423,870.80 : x
  2. Step 2: Convert to fraction form
    38,986,243.92/58,483,282.68 = 13,423,870.80/x
  3. Step 3: Cross multiply
    38,986,243.92x = 58,483,282.68 × 13,423,870.80
  4. Step 4: Simplify right side
    38,986,243.92x = 785,072,030,656,197.75
  5. Step 5: Solve for x
    x = 785,072,030,656,197.75/38,986,243.92
  6. Step 6: Final answer
    x = 20,137,154.85

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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.