Home / 17,109,337.20-25,664,005.80-5,142,073.20

Finding the Fourth Proportional to 17,109,337.20, 25,664,005.80 and 5,142,073.20

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Solution

The fourth proportional to 17,109,337.20, 25,664,005.80 and 5,142,073.20 is: 7,713,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109,337.20 : 25,664,005.80 = 5,142,073.20 : x
  2. Step 2: Convert to fraction form
    17,109,337.20/25,664,005.80 = 5,142,073.20/x
  3. Step 3: Cross multiply
    17,109,337.20x = 25,664,005.80 × 5,142,073.20
  4. Step 4: Simplify right side
    17,109,337.20x = 131,966,196,428,824.56
  5. Step 5: Solve for x
    x = 131,966,196,428,824.56/17,109,337.20
  6. Step 6: Final answer
    x = 7,713,109.80

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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.