Home / 13,772,078.20-20,658,117.30-11,646,314.20

Finding the Fourth Proportional to 13,772,078.20, 20,658,117.30 and 11,646,314.20

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Solution

The fourth proportional to 13,772,078.20, 20,658,117.30 and 11,646,314.20 is: 17,469,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,078.20 : 20,658,117.30 = 11,646,314.20 : x
  2. Step 2: Convert to fraction form
    13,772,078.20/20,658,117.30 = 11,646,314.20/x
  3. Step 3: Cross multiply
    13,772,078.20x = 20,658,117.30 × 11,646,314.20
  4. Step 4: Simplify right side
    13,772,078.20x = 240,590,924,856,255.66
  5. Step 5: Solve for x
    x = 240,590,924,856,255.66/13,772,078.20
  6. Step 6: Final answer
    x = 17,469,471.30

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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.