Home / 13,872,002.80-20,808,004.20-11,350,505.20

Finding the Fourth Proportional to 13,872,002.80, 20,808,004.20 and 11,350,505.20

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Solution

The fourth proportional to 13,872,002.80, 20,808,004.20 and 11,350,505.20 is: 17,025,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,002.80 : 20,808,004.20 = 11,350,505.20 : x
  2. Step 2: Convert to fraction form
    13,872,002.80/20,808,004.20 = 11,350,505.20/x
  3. Step 3: Cross multiply
    13,872,002.80x = 20,808,004.20 × 11,350,505.20
  4. Step 4: Simplify right side
    13,872,002.80x = 236,181,359,873,721.81
  5. Step 5: Solve for x
    x = 236,181,359,873,721.81/13,872,002.80
  6. Step 6: Final answer
    x = 17,025,757.80

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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.