Home / 42,373,519.75-63,560,870.11-12,081,382.75

Finding the Fourth Proportional to 42,373,519.75, 63,560,870.11 and 12,081,382.75

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Solution

The fourth proportional to 42,373,519.75, 63,560,870.11 and 12,081,382.75 is: 18,122,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373,519.75 : 63,560,870.11 = 12,081,382.75 : x
  2. Step 2: Convert to fraction form
    42,373,519.75/63,560,870.11 = 12,081,382.75/x
  3. Step 3: Cross multiply
    42,373,519.75x = 63,560,870.11 × 12,081,382.75
  4. Step 4: Simplify right side
    42,373,519.75x = 767,903,199,404,140.25
  5. Step 5: Solve for x
    x = 767,903,199,404,140.25/42,373,519.75
  6. Step 6: Final answer
    x = 18,122,242.48

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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.