Home / 19,565,079.12-29,332,183.76-12,361,429.20

Finding the Fourth Proportional to 19,565,079.12, 29,332,183.76 and 12,361,429.20

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Solution

The fourth proportional to 19,565,079.12, 29,332,183.76 and 12,361,429.20 is: 18,532,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565,079.12 : 29,332,183.76 = 12,361,429.20 : x
  2. Step 2: Convert to fraction form
    19,565,079.12/29,332,183.76 = 12,361,429.20/x
  3. Step 3: Cross multiply
    19,565,079.12x = 29,332,183.76 × 12,361,429.20
  4. Step 4: Simplify right side
    19,565,079.12x = 362,587,712,830,629.81
  5. Step 5: Solve for x
    x = 362,587,712,830,629.81/19,565,079.12
  6. Step 6: Final answer
    x = 18,532,391.85

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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.