Home / 13,488,015.80-20,232,023.70-11,929,122.20

Finding the Fourth Proportional to 13,488,015.80, 20,232,023.70 and 11,929,122.20

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Solution

The fourth proportional to 13,488,015.80, 20,232,023.70 and 11,929,122.20 is: 17,893,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,015.80 : 20,232,023.70 = 11,929,122.20 : x
  2. Step 2: Convert to fraction form
    13,488,015.80/20,232,023.70 = 11,929,122.20/x
  3. Step 3: Cross multiply
    13,488,015.80x = 20,232,023.70 × 11,929,122.20
  4. Step 4: Simplify right side
    13,488,015.80x = 241,350,283,070,596.12
  5. Step 5: Solve for x
    x = 241,350,283,070,596.12/13,488,015.80
  6. Step 6: Final answer
    x = 17,893,683.30

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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.