Home / 12,096,922.40-18,145,383.60-9,969,408.80

Finding the Fourth Proportional to 12,096,922.40, 18,145,383.60 and 9,969,408.80

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Solution

The fourth proportional to 12,096,922.40, 18,145,383.60 and 9,969,408.80 is: 14,954,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,922.40 : 18,145,383.60 = 9,969,408.80 : x
  2. Step 2: Convert to fraction form
    12,096,922.40/18,145,383.60 = 9,969,408.80/x
  3. Step 3: Cross multiply
    12,096,922.40x = 18,145,383.60 × 9,969,408.80
  4. Step 4: Simplify right side
    12,096,922.40x = 180,898,746,941,215.72
  5. Step 5: Solve for x
    x = 180,898,746,941,215.72/12,096,922.40
  6. Step 6: Final answer
    x = 14,954,113.20

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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.