Home / 49,206,827.20-73,810,240.80-18,915,678.40

Finding the Fourth Proportional to 49,206,827.20, 73,810,240.80 and 18,915,678.40

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Solution

The fourth proportional to 49,206,827.20, 73,810,240.80 and 18,915,678.40 is: 28,373,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206,827.20 : 73,810,240.80 = 18,915,678.40 : x
  2. Step 2: Convert to fraction form
    49,206,827.20/73,810,240.80 = 18,915,678.40/x
  3. Step 3: Cross multiply
    49,206,827.20x = 73,810,240.80 × 18,915,678.40
  4. Step 4: Simplify right side
    49,206,827.20x = 1,396,170,777,599,358.50
  5. Step 5: Solve for x
    x = 1,396,170,777,599,358.50/49,206,827.20
  6. Step 6: Final answer
    x = 28,373,517.60

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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.