Home / 25,287,786.39-34,897,144.79-13,685,349.88

Finding the Fourth Proportional to 25,287,786.39, 34,897,144.79 and 13,685,349.88

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Solution

The fourth proportional to 25,287,786.39, 34,897,144.79 and 13,685,349.88 is: 18,885,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287,786.39 : 34,897,144.79 = 13,685,349.88 : x
  2. Step 2: Convert to fraction form
    25,287,786.39/34,897,144.79 = 13,685,349.88/x
  3. Step 3: Cross multiply
    25,287,786.39x = 34,897,144.79 × 13,685,349.88
  4. Step 4: Simplify right side
    25,287,786.39x = 477,579,636,211,139.56
  5. Step 5: Solve for x
    x = 477,579,636,211,139.56/25,287,786.39
  6. Step 6: Final answer
    x = 18,885,782.60

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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.