Home / 18,472,001.20-27,708,001.80-17,212,289.20

Finding the Fourth Proportional to 18,472,001.20, 27,708,001.80 and 17,212,289.20

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Solution

The fourth proportional to 18,472,001.20, 27,708,001.80 and 17,212,289.20 is: 25,818,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,001.20 : 27,708,001.80 = 17,212,289.20 : x
  2. Step 2: Convert to fraction form
    18,472,001.20/27,708,001.80 = 17,212,289.20/x
  3. Step 3: Cross multiply
    18,472,001.20x = 27,708,001.80 × 17,212,289.20
  4. Step 4: Simplify right side
    18,472,001.20x = 476,918,140,135,720.56
  5. Step 5: Solve for x
    x = 476,918,140,135,720.56/18,472,001.20
  6. Step 6: Final answer
    x = 25,818,433.80

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1.5x scale

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.