Home / 21,781,481.60-32,672,222.40-5,825,129.60

Finding the Fourth Proportional to 21,781,481.60, 32,672,222.40 and 5,825,129.60

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Solution

The fourth proportional to 21,781,481.60, 32,672,222.40 and 5,825,129.60 is: 8,737,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,481.60 : 32,672,222.40 = 5,825,129.60 : x
  2. Step 2: Convert to fraction form
    21,781,481.60/32,672,222.40 = 5,825,129.60/x
  3. Step 3: Cross multiply
    21,781,481.60x = 32,672,222.40 × 5,825,129.60
  4. Step 4: Simplify right side
    21,781,481.60x = 190,319,929,800,023.03
  5. Step 5: Solve for x
    x = 190,319,929,800,023.03/21,781,481.60
  6. Step 6: Final answer
    x = 8,737,694.40

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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.