Home / 40,499,279.40-60,748,919.10-12,132,431.40

Finding the Fourth Proportional to 40,499,279.40, 60,748,919.10 and 12,132,431.40

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Solution

The fourth proportional to 40,499,279.40, 60,748,919.10 and 12,132,431.40 is: 18,198,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499,279.40 : 60,748,919.10 = 12,132,431.40 : x
  2. Step 2: Convert to fraction form
    40,499,279.40/60,748,919.10 = 12,132,431.40/x
  3. Step 3: Cross multiply
    40,499,279.40x = 60,748,919.10 × 12,132,431.40
  4. Step 4: Simplify right side
    40,499,279.40x = 737,032,093,604,899.75
  5. Step 5: Solve for x
    x = 737,032,093,604,899.75/40,499,279.40
  6. Step 6: Final answer
    x = 18,198,647.10

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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.