Home / 13,389,679.74-20,084,344.65-3,292,388.22

Finding the Fourth Proportional to 13,389,679.74, 20,084,344.65 and 3,292,388.22

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Solution

The fourth proportional to 13,389,679.74, 20,084,344.65 and 3,292,388.22 is: 4,938,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,679.74 : 20,084,344.65 = 3,292,388.22 : x
  2. Step 2: Convert to fraction form
    13,389,679.74/20,084,344.65 = 3,292,388.22/x
  3. Step 3: Cross multiply
    13,389,679.74x = 20,084,344.65 × 3,292,388.22
  4. Step 4: Simplify right side
    13,389,679.74x = 66,125,459,732,080.02
  5. Step 5: Solve for x
    x = 66,125,459,732,080.02/13,389,679.74
  6. Step 6: Final answer
    x = 4,938,539.31

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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.