Home / 8,720,223.35-13,071,542.04-5,484,073.75

Finding the Fourth Proportional to 8,720,223.35, 13,071,542.04 and 5,484,073.75

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Solution

The fourth proportional to 8,720,223.35, 13,071,542.04 and 5,484,073.75 is: 8,220,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,223.35 : 13,071,542.04 = 5,484,073.75 : x
  2. Step 2: Convert to fraction form
    8,720,223.35/13,071,542.04 = 5,484,073.75/x
  3. Step 3: Cross multiply
    8,720,223.35x = 13,071,542.04 × 5,484,073.75
  4. Step 4: Simplify right side
    8,720,223.35x = 71,685,300,540,906.58
  5. Step 5: Solve for x
    x = 71,685,300,540,906.58/8,720,223.35
  6. Step 6: Final answer
    x = 8,220,580.79

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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.