Home / 13,646,987.28-20,477,565.54-5,565,891.60

Finding the Fourth Proportional to 13,646,987.28, 20,477,565.54 and 5,565,891.60

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Solution

The fourth proportional to 13,646,987.28, 20,477,565.54 and 5,565,891.60 is: 8,351,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,987.28 : 20,477,565.54 = 5,565,891.60 : x
  2. Step 2: Convert to fraction form
    13,646,987.28/20,477,565.54 = 5,565,891.60/x
  3. Step 3: Cross multiply
    13,646,987.28x = 20,477,565.54 × 5,565,891.60
  4. Step 4: Simplify right side
    13,646,987.28x = 113,975,910,027,535.45
  5. Step 5: Solve for x
    x = 113,975,910,027,535.45/13,646,987.28
  6. Step 6: Final answer
    x = 8,351,726.85

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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.