Home / 13,443,326.80-20,164,990.20-11,763,710.80

Finding the Fourth Proportional to 13,443,326.80, 20,164,990.20 and 11,763,710.80

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Solution

The fourth proportional to 13,443,326.80, 20,164,990.20 and 11,763,710.80 is: 17,645,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,326.80 : 20,164,990.20 = 11,763,710.80 : x
  2. Step 2: Convert to fraction form
    13,443,326.80/20,164,990.20 = 11,763,710.80/x
  3. Step 3: Cross multiply
    13,443,326.80x = 20,164,990.20 × 11,763,710.80
  4. Step 4: Simplify right side
    13,443,326.80x = 237,215,112,997,634.16
  5. Step 5: Solve for x
    x = 237,215,112,997,634.16/13,443,326.80
  6. Step 6: Final answer
    x = 17,645,566.20

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Similar ratio
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1.5x scale

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.