Home / 12,079,626.60-18,105,443.10-4,887,604.20

Finding the Fourth Proportional to 12,079,626.60, 18,105,443.10 and 4,887,604.20

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Solution

The fourth proportional to 12,079,626.60, 18,105,443.10 and 4,887,604.20 is: 7,325,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,626.60 : 18,105,443.10 = 4,887,604.20 : x
  2. Step 2: Convert to fraction form
    12,079,626.60/18,105,443.10 = 4,887,604.20/x
  3. Step 3: Cross multiply
    12,079,626.60x = 18,105,443.10 × 4,887,604.20
  4. Step 4: Simplify right side
    12,079,626.60x = 88,492,239,738,421.03
  5. Step 5: Solve for x
    x = 88,492,239,738,421.03/12,079,626.60
  6. Step 6: Final answer
    x = 7,325,742.98

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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.