Home / 22,385,041.80-30,892,765.80-13,565,265.36

Finding the Fourth Proportional to 22,385,041.80, 30,892,765.80 and 13,565,265.36

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Solution

The fourth proportional to 22,385,041.80, 30,892,765.80 and 13,565,265.36 is: 18,720,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,041.80 : 30,892,765.80 = 13,565,265.36 : x
  2. Step 2: Convert to fraction form
    22,385,041.80/30,892,765.80 = 13,565,265.36/x
  3. Step 3: Cross multiply
    22,385,041.80x = 30,892,765.80 × 13,565,265.36
  4. Step 4: Simplify right side
    22,385,041.80x = 419,068,565,781,332.69
  5. Step 5: Solve for x
    x = 419,068,565,781,332.69/22,385,041.80
  6. Step 6: Final answer
    x = 18,720,919.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.