Home / 20,309,404.32-30,464,177.76-5,163,337.44

Finding the Fourth Proportional to 20,309,404.32, 30,464,177.76 and 5,163,337.44

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Solution

The fourth proportional to 20,309,404.32, 30,464,177.76 and 5,163,337.44 is: 7,745,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309,404.32 : 30,464,177.76 = 5,163,337.44 : x
  2. Step 2: Convert to fraction form
    20,309,404.32/30,464,177.76 = 5,163,337.44/x
  3. Step 3: Cross multiply
    20,309,404.32x = 30,464,177.76 × 5,163,337.44
  4. Step 4: Simplify right side
    20,309,404.32x = 157,296,829,607,023.34
  5. Step 5: Solve for x
    x = 157,296,829,607,023.34/20,309,404.32
  6. Step 6: Final answer
    x = 7,745,024.28

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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.