Home / 15,794,812.20-23,720,211.90-12,209,298.60

Finding the Fourth Proportional to 15,794,812.20, 23,720,211.90 and 12,209,298.60

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Solution

The fourth proportional to 15,794,812.20, 23,720,211.90 and 12,209,298.60 is: 18,335,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794,812.20 : 23,720,211.90 = 12,209,298.60 : x
  2. Step 2: Convert to fraction form
    15,794,812.20/23,720,211.90 = 12,209,298.60/x
  3. Step 3: Cross multiply
    15,794,812.20x = 23,720,211.90 × 12,209,298.60
  4. Step 4: Simplify right side
    15,794,812.20x = 289,607,149,942,373.31
  5. Step 5: Solve for x
    x = 289,607,149,942,373.31/15,794,812.20
  6. Step 6: Final answer
    x = 18,335,586.79

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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.