Home / 20,117,397.66-30,180,595.90-7,337,902.36

Finding the Fourth Proportional to 20,117,397.66, 30,180,595.90 and 7,337,902.36

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Solution

The fourth proportional to 20,117,397.66, 30,180,595.90 and 7,337,902.36 is: 11,008,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,397.66 : 30,180,595.90 = 7,337,902.36 : x
  2. Step 2: Convert to fraction form
    20,117,397.66/30,180,595.90 = 7,337,902.36/x
  3. Step 3: Cross multiply
    20,117,397.66x = 30,180,595.90 × 7,337,902.36
  4. Step 4: Simplify right side
    20,117,397.66x = 221,462,265,942,251.91
  5. Step 5: Solve for x
    x = 221,462,265,942,251.91/20,117,397.66
  6. Step 6: Final answer
    x = 11,008,494.72

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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.