Home / 13,398,802.78-20,098,328.56-3,814,180.96

Finding the Fourth Proportional to 13,398,802.78, 20,098,328.56 and 3,814,180.96

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Solution

The fourth proportional to 13,398,802.78, 20,098,328.56 and 3,814,180.96 is: 5,721,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,802.78 : 20,098,328.56 = 3,814,180.96 : x
  2. Step 2: Convert to fraction form
    13,398,802.78/20,098,328.56 = 3,814,180.96/x
  3. Step 3: Cross multiply
    13,398,802.78x = 20,098,328.56 × 3,814,180.96
  4. Step 4: Simplify right side
    13,398,802.78x = 76,658,662,121,376.22
  5. Step 5: Solve for x
    x = 76,658,662,121,376.22/13,398,802.78
  6. Step 6: Final answer
    x = 5,721,306.85

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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.