Home / 20,117,417.76-30,180,626.01-7,337,922.48

Finding the Fourth Proportional to 20,117,417.76, 30,180,626.01 and 7,337,922.48

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Solution

The fourth proportional to 20,117,417.76, 30,180,626.01 and 7,337,922.48 is: 11,008,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,417.76 : 30,180,626.01 = 7,337,922.48 : x
  2. Step 2: Convert to fraction form
    20,117,417.76/30,180,626.01 = 7,337,922.48/x
  3. Step 3: Cross multiply
    20,117,417.76x = 30,180,626.01 × 7,337,922.48
  4. Step 4: Simplify right side
    20,117,417.76x = 221,463,094,059,251.72
  5. Step 5: Solve for x
    x = 221,463,094,059,251.72/20,117,417.76
  6. Step 6: Final answer
    x = 11,008,524.89

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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.