Home / 17,200,778.13-25,772,809.10-9,992,076.21

Finding the Fourth Proportional to 17,200,778.13, 25,772,809.10 and 9,992,076.21

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Solution

The fourth proportional to 17,200,778.13, 25,772,809.10 and 9,992,076.21 is: 14,971,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200,778.13 : 25,772,809.10 = 9,992,076.21 : x
  2. Step 2: Convert to fraction form
    17,200,778.13/25,772,809.10 = 9,992,076.21/x
  3. Step 3: Cross multiply
    17,200,778.13x = 25,772,809.10 × 9,992,076.21
  4. Step 4: Simplify right side
    17,200,778.13x = 257,523,872,623,021.16
  5. Step 5: Solve for x
    x = 257,523,872,623,021.16/17,200,778.13
  6. Step 6: Final answer
    x = 14,971,640.86

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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.