Home / 25,287,758.12-34,897,105.78-13,685,321.60

Finding the Fourth Proportional to 25,287,758.12, 34,897,105.78 and 13,685,321.60

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Solution

The fourth proportional to 25,287,758.12, 34,897,105.78 and 13,685,321.60 is: 18,885,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287,758.12 : 34,897,105.78 = 13,685,321.60 : x
  2. Step 2: Convert to fraction form
    25,287,758.12/34,897,105.78 = 13,685,321.60/x
  3. Step 3: Cross multiply
    25,287,758.12x = 34,897,105.78 × 13,685,321.60
  4. Step 4: Simplify right side
    25,287,758.12x = 477,578,115,508,518.88
  5. Step 5: Solve for x
    x = 477,578,115,508,518.88/25,287,758.12
  6. Step 6: Final answer
    x = 18,885,743.58

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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.