Home / 18,440,421.48-25,451,112.33-10,998,560.25

Finding the Fourth Proportional to 18,440,421.48, 25,451,112.33 and 10,998,560.25

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Solution

The fourth proportional to 18,440,421.48, 25,451,112.33 and 10,998,560.25 is: 15,179,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,421.48 : 25,451,112.33 = 10,998,560.25 : x
  2. Step 2: Convert to fraction form
    18,440,421.48/25,451,112.33 = 10,998,560.25/x
  3. Step 3: Cross multiply
    18,440,421.48x = 25,451,112.33 × 10,998,560.25
  4. Step 4: Simplify right side
    18,440,421.48x = 279,925,592,391,022.88
  5. Step 5: Solve for x
    x = 279,925,592,391,022.88/18,440,421.48
  6. Step 6: Final answer
    x = 15,179,999.69

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1.5x scale

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.