Home / 21,781,480.60-32,672,220.90-5,825,128.60

Finding the Fourth Proportional to 21,781,480.60, 32,672,220.90 and 5,825,128.60

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Solution

The fourth proportional to 21,781,480.60, 32,672,220.90 and 5,825,128.60 is: 8,737,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,480.60 : 32,672,220.90 = 5,825,128.60 : x
  2. Step 2: Convert to fraction form
    21,781,480.60/32,672,220.90 = 5,825,128.60/x
  3. Step 3: Cross multiply
    21,781,480.60x = 32,672,220.90 × 5,825,128.60
  4. Step 4: Simplify right side
    21,781,480.60x = 190,319,888,390,107.72
  5. Step 5: Solve for x
    x = 190,319,888,390,107.72/21,781,480.60
  6. Step 6: Final answer
    x = 8,737,692.90

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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.