Home / 12,284,683.20-18,427,024.80-12,125,250.90

Finding the Fourth Proportional to 12,284,683.20, 18,427,024.80 and 12,125,250.90

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Solution

The fourth proportional to 12,284,683.20, 18,427,024.80 and 12,125,250.90 is: 18,187,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,683.20 : 18,427,024.80 = 12,125,250.90 : x
  2. Step 2: Convert to fraction form
    12,284,683.20/18,427,024.80 = 12,125,250.90/x
  3. Step 3: Cross multiply
    12,284,683.20x = 18,427,024.80 × 12,125,250.90
  4. Step 4: Simplify right side
    12,284,683.20x = 223,432,299,040,522.34
  5. Step 5: Solve for x
    x = 223,432,299,040,522.34/12,284,683.20
  6. Step 6: Final answer
    x = 18,187,876.35

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1.5x scale

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.