Home / 20,110,446.40-30,174,946.92-9,183,985.60

Finding the Fourth Proportional to 20,110,446.40, 30,174,946.92 and 9,183,985.60

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Solution

The fourth proportional to 20,110,446.40, 30,174,946.92 and 9,183,985.60 is: 13,780,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,446.40 : 30,174,946.92 = 9,183,985.60 : x
  2. Step 2: Convert to fraction form
    20,110,446.40/30,174,946.92 = 9,183,985.60/x
  3. Step 3: Cross multiply
    20,110,446.40x = 30,174,946.92 × 9,183,985.60
  4. Step 4: Simplify right side
    20,110,446.40x = 277,126,278,072,760.47
  5. Step 5: Solve for x
    x = 277,126,278,072,760.47/20,110,446.40
  6. Step 6: Final answer
    x = 13,780,215.15

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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.