Home / 12,456,518.10-18,684,777.15-11,110,200.90

Finding the Fourth Proportional to 12,456,518.10, 18,684,777.15 and 11,110,200.90

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Solution

The fourth proportional to 12,456,518.10, 18,684,777.15 and 11,110,200.90 is: 16,665,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,518.10 : 18,684,777.15 = 11,110,200.90 : x
  2. Step 2: Convert to fraction form
    12,456,518.10/18,684,777.15 = 11,110,200.90/x
  3. Step 3: Cross multiply
    12,456,518.10x = 18,684,777.15 × 11,110,200.90
  4. Step 4: Simplify right side
    12,456,518.10x = 207,591,627,908,229.44
  5. Step 5: Solve for x
    x = 207,591,627,908,229.44/12,456,518.10
  6. Step 6: Final answer
    x = 16,665,301.35

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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.