Home / 16,731,420.20-25,113,719.10-8,221,365.80

Finding the Fourth Proportional to 16,731,420.20, 25,113,719.10 and 8,221,365.80

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Solution

The fourth proportional to 16,731,420.20, 25,113,719.10 and 8,221,365.80 is: 12,340,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731,420.20 : 25,113,719.10 = 8,221,365.80 : x
  2. Step 2: Convert to fraction form
    16,731,420.20/25,113,719.10 = 8,221,365.80/x
  3. Step 3: Cross multiply
    16,731,420.20x = 25,113,719.10 × 8,221,365.80
  4. Step 4: Simplify right side
    16,731,420.20x = 206,469,071,319,546.78
  5. Step 5: Solve for x
    x = 206,469,071,319,546.78/16,731,420.20
  6. Step 6: Final answer
    x = 12,340,199.99

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1.5x scale

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.