Home / 13,389,680.74-20,084,346.15-3,292,389.22

Finding the Fourth Proportional to 13,389,680.74, 20,084,346.15 and 3,292,389.22

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Solution

The fourth proportional to 13,389,680.74, 20,084,346.15 and 3,292,389.22 is: 4,938,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,680.74 : 20,084,346.15 = 3,292,389.22 : x
  2. Step 2: Convert to fraction form
    13,389,680.74/20,084,346.15 = 3,292,389.22/x
  3. Step 3: Cross multiply
    13,389,680.74x = 20,084,346.15 × 3,292,389.22
  4. Step 4: Simplify right side
    13,389,680.74x = 66,125,484,755,008.50
  5. Step 5: Solve for x
    x = 66,125,484,755,008.50/13,389,680.74
  6. Step 6: Final answer
    x = 4,938,540.81

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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.