Home / 21,358,239.87-32,027,780.60-12,726,407.85

Finding the Fourth Proportional to 21,358,239.87, 32,027,780.60 and 12,726,407.85

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Solution

The fourth proportional to 21,358,239.87, 32,027,780.60 and 12,726,407.85 is: 19,083,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358,239.87 : 32,027,780.60 = 12,726,407.85 : x
  2. Step 2: Convert to fraction form
    21,358,239.87/32,027,780.60 = 12,726,407.85/x
  3. Step 3: Cross multiply
    21,358,239.87x = 32,027,780.60 × 12,726,407.85
  4. Step 4: Simplify right side
    21,358,239.87x = 407,598,598,309,905.50
  5. Step 5: Solve for x
    x = 407,598,598,309,905.50/21,358,239.87
  6. Step 6: Final answer
    x = 19,083,903.95

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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.