Home / 15,131,398.76-20,856,937.14-10,234,835.15

Finding the Fourth Proportional to 15,131,398.76, 20,856,937.14 and 10,234,835.15

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Solution

The fourth proportional to 15,131,398.76, 20,856,937.14 and 10,234,835.15 is: 14,107,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131,398.76 : 20,856,937.14 = 10,234,835.15 : x
  2. Step 2: Convert to fraction form
    15,131,398.76/20,856,937.14 = 10,234,835.15/x
  3. Step 3: Cross multiply
    15,131,398.76x = 20,856,937.14 × 10,234,835.15
  4. Step 4: Simplify right side
    15,131,398.76x = 213,467,313,413,954.81
  5. Step 5: Solve for x
    x = 213,467,313,413,954.81/15,131,398.76
  6. Step 6: Final answer
    x = 14,107,573.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.