Home / 29,568,139.20-44,358,429.60-12,520,036.80

Finding the Fourth Proportional to 29,568,139.20, 44,358,429.60 and 12,520,036.80

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Solution

The fourth proportional to 29,568,139.20, 44,358,429.60 and 12,520,036.80 is: 18,782,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,568,139.20 : 44,358,429.60 = 12,520,036.80 : x
  2. Step 2: Convert to fraction form
    29,568,139.20/44,358,429.60 = 12,520,036.80/x
  3. Step 3: Cross multiply
    29,568,139.20x = 44,358,429.60 × 12,520,036.80
  4. Step 4: Simplify right side
    29,568,139.20x = 555,369,170,982,209.31
  5. Step 5: Solve for x
    x = 555,369,170,982,209.31/29,568,139.20
  6. Step 6: Final answer
    x = 18,782,689.27

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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.