Home / 28,419,781.20-42,566,686.20-22,009,246.80

Finding the Fourth Proportional to 28,419,781.20, 42,566,686.20 and 22,009,246.80

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Solution

The fourth proportional to 28,419,781.20, 42,566,686.20 and 22,009,246.80 is: 32,965,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,781.20 : 42,566,686.20 = 22,009,246.80 : x
  2. Step 2: Convert to fraction form
    28,419,781.20/42,566,686.20 = 22,009,246.80/x
  3. Step 3: Cross multiply
    28,419,781.20x = 42,566,686.20 × 22,009,246.80
  4. Step 4: Simplify right side
    28,419,781.20x = 936,860,702,033,954.25
  5. Step 5: Solve for x
    x = 936,860,702,033,954.25/28,419,781.20
  6. Step 6: Final answer
    x = 32,965,092.01

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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.