Home / 36,708,719.20-55,061,329.20-12,445,266.40

Finding the Fourth Proportional to 36,708,719.20, 55,061,329.20 and 12,445,266.40

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Solution

The fourth proportional to 36,708,719.20, 55,061,329.20 and 12,445,266.40 is: 18,667,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,719.20 : 55,061,329.20 = 12,445,266.40 : x
  2. Step 2: Convert to fraction form
    36,708,719.20/55,061,329.20 = 12,445,266.40/x
  3. Step 3: Cross multiply
    36,708,719.20x = 55,061,329.20 × 12,445,266.40
  4. Step 4: Simplify right side
    36,708,719.20x = 685,252,910,232,099
  5. Step 5: Solve for x
    x = 685,252,910,232,099/36,708,719.20
  6. Step 6: Final answer
    x = 18,667,306.44

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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.