Home / 13,799,117.40-20,736,000.90-12,156,826.20

Finding the Fourth Proportional to 13,799,117.40, 20,736,000.90 and 12,156,826.20

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Solution

The fourth proportional to 13,799,117.40, 20,736,000.90 and 12,156,826.20 is: 18,268,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,117.40 : 20,736,000.90 = 12,156,826.20 : x
  2. Step 2: Convert to fraction form
    13,799,117.40/20,736,000.90 = 12,156,826.20/x
  3. Step 3: Cross multiply
    13,799,117.40x = 20,736,000.90 × 12,156,826.20
  4. Step 4: Simplify right side
    13,799,117.40x = 252,083,959,024,343.53
  5. Step 5: Solve for x
    x = 252,083,959,024,343.53/13,799,117.40
  6. Step 6: Final answer
    x = 18,268,121.92

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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.