Home / 23,287,545.21-32,115,014.10-18,404,432.87

Finding the Fourth Proportional to 23,287,545.21, 32,115,014.10 and 18,404,432.87

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Solution

The fourth proportional to 23,287,545.21, 32,115,014.10 and 18,404,432.87 is: 25,380,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287,545.21 : 32,115,014.10 = 18,404,432.87 : x
  2. Step 2: Convert to fraction form
    23,287,545.21/32,115,014.10 = 18,404,432.87/x
  3. Step 3: Cross multiply
    23,287,545.21x = 32,115,014.10 × 18,404,432.87
  4. Step 4: Simplify right side
    23,287,545.21x = 591,058,620,961,978.38
  5. Step 5: Solve for x
    x = 591,058,620,961,978.38/23,287,545.21
  6. Step 6: Final answer
    x = 25,380,889.90

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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.