Home / 20,455,785.90-30,726,194.13-16,225,515.54

Finding the Fourth Proportional to 20,455,785.90, 30,726,194.13 and 16,225,515.54

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Solution

The fourth proportional to 20,455,785.90, 30,726,194.13 and 16,225,515.54 is: 24,371,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,785.90 : 30,726,194.13 = 16,225,515.54 : x
  2. Step 2: Convert to fraction form
    20,455,785.90/30,726,194.13 = 16,225,515.54/x
  3. Step 3: Cross multiply
    20,455,785.90x = 30,726,194.13 × 16,225,515.54
  4. Step 4: Simplify right side
    20,455,785.90x = 498,548,340,341,371.75
  5. Step 5: Solve for x
    x = 498,548,340,341,371.75/20,455,785.90
  6. Step 6: Final answer
    x = 24,371,996.40

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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.