Home / 15,815,128.48-23,723,733.60-4,143,785.70

Finding the Fourth Proportional to 15,815,128.48, 23,723,733.60 and 4,143,785.70

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Solution

The fourth proportional to 15,815,128.48, 23,723,733.60 and 4,143,785.70 is: 6,215,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,128.48 : 23,723,733.60 = 4,143,785.70 : x
  2. Step 2: Convert to fraction form
    15,815,128.48/23,723,733.60 = 4,143,785.70/x
  3. Step 3: Cross multiply
    15,815,128.48x = 23,723,733.60 × 4,143,785.70
  4. Step 4: Simplify right side
    15,815,128.48x = 98,306,068,021,570.59
  5. Step 5: Solve for x
    x = 98,306,068,021,570.59/15,815,128.48
  6. Step 6: Final answer
    x = 6,215,951.27

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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.