Home / 20,095,219.31-30,114,903.65-10,491,440.76

Finding the Fourth Proportional to 20,095,219.31, 30,114,903.65 and 10,491,440.76

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Solution

The fourth proportional to 20,095,219.31, 30,114,903.65 and 10,491,440.76 is: 15,722,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095,219.31 : 30,114,903.65 = 10,491,440.76 : x
  2. Step 2: Convert to fraction form
    20,095,219.31/30,114,903.65 = 10,491,440.76/x
  3. Step 3: Cross multiply
    20,095,219.31x = 30,114,903.65 × 10,491,440.76
  4. Step 4: Simplify right side
    20,095,219.31x = 315,948,727,584,625.56
  5. Step 5: Solve for x
    x = 315,948,727,584,625.56/20,095,219.31
  6. Step 6: Final answer
    x = 15,722,581.71

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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.