Home / 27,138,002.20-40,707,003.30-15,658,876.60

Finding the Fourth Proportional to 27,138,002.20, 40,707,003.30 and 15,658,876.60

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Solution

The fourth proportional to 27,138,002.20, 40,707,003.30 and 15,658,876.60 is: 23,488,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138,002.20 : 40,707,003.30 = 15,658,876.60 : x
  2. Step 2: Convert to fraction form
    27,138,002.20/40,707,003.30 = 15,658,876.60/x
  3. Step 3: Cross multiply
    27,138,002.20x = 40,707,003.30 × 15,658,876.60
  4. Step 4: Simplify right side
    27,138,002.20x = 637,425,941,430,492.75
  5. Step 5: Solve for x
    x = 637,425,941,430,492.75/27,138,002.20
  6. Step 6: Final answer
    x = 23,488,314.90

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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.