Home / 29,147,340.20-43,721,010.30-12,099,237.80

Finding the Fourth Proportional to 29,147,340.20, 43,721,010.30 and 12,099,237.80

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Solution

The fourth proportional to 29,147,340.20, 43,721,010.30 and 12,099,237.80 is: 18,148,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,340.20 : 43,721,010.30 = 12,099,237.80 : x
  2. Step 2: Convert to fraction form
    29,147,340.20/43,721,010.30 = 12,099,237.80/x
  3. Step 3: Cross multiply
    29,147,340.20x = 43,721,010.30 × 12,099,237.80
  4. Step 4: Simplify right side
    29,147,340.20x = 528,990,900,475,949.31
  5. Step 5: Solve for x
    x = 528,990,900,475,949.31/29,147,340.20
  6. Step 6: Final answer
    x = 18,148,856.70

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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.