Home / 38,864,512.20-58,268,774.70-21,830,406.60

Finding the Fourth Proportional to 38,864,512.20, 58,268,774.70 and 21,830,406.60

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Solution

The fourth proportional to 38,864,512.20, 58,268,774.70 and 21,830,406.60 is: 32,729,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864,512.20 : 58,268,774.70 = 21,830,406.60 : x
  2. Step 2: Convert to fraction form
    38,864,512.20/58,268,774.70 = 21,830,406.60/x
  3. Step 3: Cross multiply
    38,864,512.20x = 58,268,774.70 × 21,830,406.60
  4. Step 4: Simplify right side
    38,864,512.20x = 1,272,031,043,784,793.25
  5. Step 5: Solve for x
    x = 1,272,031,043,784,793.25/38,864,512.20
  6. Step 6: Final answer
    x = 32,729,885.74

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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.