Home / 12,135,622.60-18,203,433.90-7,373,600.20

Finding the Fourth Proportional to 12,135,622.60, 18,203,433.90 and 7,373,600.20

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Solution

The fourth proportional to 12,135,622.60, 18,203,433.90 and 7,373,600.20 is: 11,060,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,622.60 : 18,203,433.90 = 7,373,600.20 : x
  2. Step 2: Convert to fraction form
    12,135,622.60/18,203,433.90 = 7,373,600.20/x
  3. Step 3: Cross multiply
    12,135,622.60x = 18,203,433.90 × 7,373,600.20
  4. Step 4: Simplify right side
    12,135,622.60x = 134,224,843,845,726.77
  5. Step 5: Solve for x
    x = 134,224,843,845,726.77/12,135,622.60
  6. Step 6: Final answer
    x = 11,060,400.30

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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.