Home / 13,799,149.40-20,736,048.90-12,156,858.20

Finding the Fourth Proportional to 13,799,149.40, 20,736,048.90 and 12,156,858.20

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Solution

The fourth proportional to 13,799,149.40, 20,736,048.90 and 12,156,858.20 is: 18,268,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,149.40 : 20,736,048.90 = 12,156,858.20 : x
  2. Step 2: Convert to fraction form
    13,799,149.40/20,736,048.90 = 12,156,858.20/x
  3. Step 3: Cross multiply
    13,799,149.40x = 20,736,048.90 × 12,156,858.20
  4. Step 4: Simplify right side
    13,799,149.40x = 252,085,206,105,565.94
  5. Step 5: Solve for x
    x = 252,085,206,105,565.94/13,799,149.40
  6. Step 6: Final answer
    x = 18,268,169.93

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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.