Home / 18,402,198.90-25,391,536.88-11,057,352.13

Finding the Fourth Proportional to 18,402,198.90, 25,391,536.88 and 11,057,352.13

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Solution

The fourth proportional to 18,402,198.90, 25,391,536.88 and 11,057,352.13 is: 15,257,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,198.90 : 25,391,536.88 = 11,057,352.13 : x
  2. Step 2: Convert to fraction form
    18,402,198.90/25,391,536.88 = 11,057,352.13/x
  3. Step 3: Cross multiply
    18,402,198.90x = 25,391,536.88 × 11,057,352.13
  4. Step 4: Simplify right side
    18,402,198.90x = 280,763,164,299,864.41
  5. Step 5: Solve for x
    x = 280,763,164,299,864.41/18,402,198.90
  6. Step 6: Final answer
    x = 15,257,044.33

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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.