Home / 33,131,145.60-49,667,169.60-12,931,689.60

Finding the Fourth Proportional to 33,131,145.60, 49,667,169.60 and 12,931,689.60

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Solution

The fourth proportional to 33,131,145.60, 49,667,169.60 and 12,931,689.60 is: 19,386,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131,145.60 : 49,667,169.60 = 12,931,689.60 : x
  2. Step 2: Convert to fraction form
    33,131,145.60/49,667,169.60 = 12,931,689.60/x
  3. Step 3: Cross multiply
    33,131,145.60x = 49,667,169.60 × 12,931,689.60
  4. Step 4: Simplify right side
    33,131,145.60x = 642,280,420,577,756.12
  5. Step 5: Solve for x
    x = 642,280,420,577,756.12/33,131,145.60
  6. Step 6: Final answer
    x = 19,386,000.97

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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.