Home / 13,864,791.28-20,799,079.51-5,775,875.24

Finding the Fourth Proportional to 13,864,791.28, 20,799,079.51 and 5,775,875.24

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Solution

The fourth proportional to 13,864,791.28, 20,799,079.51 and 5,775,875.24 is: 8,664,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,791.28 : 20,799,079.51 = 5,775,875.24 : x
  2. Step 2: Convert to fraction form
    13,864,791.28/20,799,079.51 = 5,775,875.24/x
  3. Step 3: Cross multiply
    13,864,791.28x = 20,799,079.51 × 5,775,875.24
  4. Step 4: Simplify right side
    13,864,791.28x = 120,132,888,248,995.02
  5. Step 5: Solve for x
    x = 120,132,888,248,995.02/13,864,791.28
  6. Step 6: Final answer
    x = 8,664,601.28

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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.