Home / 20,726,679.96-31,116,960.96-15,937,732.20

Finding the Fourth Proportional to 20,726,679.96, 31,116,960.96 and 15,937,732.20

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Solution

The fourth proportional to 20,726,679.96, 31,116,960.96 and 15,937,732.20 is: 23,927,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,679.96 : 31,116,960.96 = 15,937,732.20 : x
  2. Step 2: Convert to fraction form
    20,726,679.96/31,116,960.96 = 15,937,732.20/x
  3. Step 3: Cross multiply
    20,726,679.96x = 31,116,960.96 × 15,937,732.20
  4. Step 4: Simplify right side
    20,726,679.96x = 495,933,790,658,334.88
  5. Step 5: Solve for x
    x = 495,933,790,658,334.88/20,726,679.96
  6. Step 6: Final answer
    x = 23,927,314.53

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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.