Home / 20,269,793.24-27,971,969.10-10,977,287.92

Finding the Fourth Proportional to 20,269,793.24, 27,971,969.10 and 10,977,287.92

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Solution

The fourth proportional to 20,269,793.24, 27,971,969.10 and 10,977,287.92 is: 15,148,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,793.24 : 27,971,969.10 = 10,977,287.92 : x
  2. Step 2: Convert to fraction form
    20,269,793.24/27,971,969.10 = 10,977,287.92/x
  3. Step 3: Cross multiply
    20,269,793.24x = 27,971,969.10 × 10,977,287.92
  4. Step 4: Simplify right side
    20,269,793.24x = 307,056,358,500,043.31
  5. Step 5: Solve for x
    x = 307,056,358,500,043.31/20,269,793.24
  6. Step 6: Final answer
    x = 15,148,470.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.