Home / 9,220,838.39-13,840,997.03-5,180,778.71

Finding the Fourth Proportional to 9,220,838.39, 13,840,997.03 and 5,180,778.71

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Solution

The fourth proportional to 9,220,838.39, 13,840,997.03 and 5,180,778.71 is: 7,776,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,838.39 : 13,840,997.03 = 5,180,778.71 : x
  2. Step 2: Convert to fraction form
    9,220,838.39/13,840,997.03 = 5,180,778.71/x
  3. Step 3: Cross multiply
    9,220,838.39x = 13,840,997.03 × 5,180,778.71
  4. Step 4: Simplify right side
    9,220,838.39x = 71,707,142,712,293.34
  5. Step 5: Solve for x
    x = 71,707,142,712,293.34/9,220,838.39
  6. Step 6: Final answer
    x = 7,776,640.22

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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.