Home / 27,287,731.20-40,937,501.70-8,120,425.80

Finding the Fourth Proportional to 27,287,731.20, 40,937,501.70 and 8,120,425.80

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Solution

The fourth proportional to 27,287,731.20, 40,937,501.70 and 8,120,425.80 is: 12,182,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,731.20 : 40,937,501.70 = 8,120,425.80 : x
  2. Step 2: Convert to fraction form
    27,287,731.20/40,937,501.70 = 8,120,425.80/x
  3. Step 3: Cross multiply
    27,287,731.20x = 40,937,501.70 × 8,120,425.80
  4. Step 4: Simplify right side
    27,287,731.20x = 332,429,944,992,223.88
  5. Step 5: Solve for x
    x = 332,429,944,992,223.88/27,287,731.20
  6. Step 6: Final answer
    x = 12,182,395.91

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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.