Home / 26,278,520.20-39,417,780.30-15,528,977.80

Finding the Fourth Proportional to 26,278,520.20, 39,417,780.30 and 15,528,977.80

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Solution

The fourth proportional to 26,278,520.20, 39,417,780.30 and 15,528,977.80 is: 23,293,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278,520.20 : 39,417,780.30 = 15,528,977.80 : x
  2. Step 2: Convert to fraction form
    26,278,520.20/39,417,780.30 = 15,528,977.80/x
  3. Step 3: Cross multiply
    26,278,520.20x = 39,417,780.30 × 15,528,977.80
  4. Step 4: Simplify right side
    26,278,520.20x = 612,117,835,203,977.38
  5. Step 5: Solve for x
    x = 612,117,835,203,977.38/26,278,520.20
  6. Step 6: Final answer
    x = 23,293,466.70

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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.