Home / 18,192,778.80-27,289,168.20-17,953,630.35

Finding the Fourth Proportional to 18,192,778.80, 27,289,168.20 and 17,953,630.35

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Solution

The fourth proportional to 18,192,778.80, 27,289,168.20 and 17,953,630.35 is: 26,930,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,778.80 : 27,289,168.20 = 17,953,630.35 : x
  2. Step 2: Convert to fraction form
    18,192,778.80/27,289,168.20 = 17,953,630.35/x
  3. Step 3: Cross multiply
    18,192,778.80x = 27,289,168.20 × 17,953,630.35
  4. Step 4: Simplify right side
    18,192,778.80x = 489,939,638,421,774.88
  5. Step 5: Solve for x
    x = 489,939,638,421,774.88/18,192,778.80
  6. Step 6: Final answer
    x = 26,930,445.53

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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.