Home / 20,110,446.90-30,174,947.67-9,183,986.11

Finding the Fourth Proportional to 20,110,446.90, 30,174,947.67 and 9,183,986.11

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Solution

The fourth proportional to 20,110,446.90, 30,174,947.67 and 9,183,986.11 is: 13,780,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,446.90 : 30,174,947.67 = 9,183,986.11 : x
  2. Step 2: Convert to fraction form
    20,110,446.90/30,174,947.67 = 9,183,986.11/x
  3. Step 3: Cross multiply
    20,110,446.90x = 30,174,947.67 × 9,183,986.11
  4. Step 4: Simplify right side
    20,110,446.90x = 277,126,300,074,462.19
  5. Step 5: Solve for x
    x = 277,126,300,074,462.19/20,110,446.90
  6. Step 6: Final answer
    x = 13,780,215.90

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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.