Home / 20,296,343.16-30,439,856.16-12,101,304.24

Finding the Fourth Proportional to 20,296,343.16, 30,439,856.16 and 12,101,304.24

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Solution

The fourth proportional to 20,296,343.16, 30,439,856.16 and 12,101,304.24 is: 18,149,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296,343.16 : 30,439,856.16 = 12,101,304.24 : x
  2. Step 2: Convert to fraction form
    20,296,343.16/30,439,856.16 = 12,101,304.24/x
  3. Step 3: Cross multiply
    20,296,343.16x = 30,439,856.16 × 12,101,304.24
  4. Step 4: Simplify right side
    20,296,343.16x = 368,361,960,413,998.12
  5. Step 5: Solve for x
    x = 368,361,960,413,998.12/20,296,343.16
  6. Step 6: Final answer
    x = 18,149,178.77

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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.