Home / 28,002,046.20-42,003,069.30-8,834,740.80

Finding the Fourth Proportional to 28,002,046.20, 42,003,069.30 and 8,834,740.80

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Solution

The fourth proportional to 28,002,046.20, 42,003,069.30 and 8,834,740.80 is: 13,252,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,046.20 : 42,003,069.30 = 8,834,740.80 : x
  2. Step 2: Convert to fraction form
    28,002,046.20/42,003,069.30 = 8,834,740.80/x
  3. Step 3: Cross multiply
    28,002,046.20x = 42,003,069.30 × 8,834,740.80
  4. Step 4: Simplify right side
    28,002,046.20x = 371,086,230,069,937.44
  5. Step 5: Solve for x
    x = 371,086,230,069,937.44/28,002,046.20
  6. Step 6: Final answer
    x = 13,252,111.20

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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.