Home / 14,056,521.20-21,084,781.80-3,959,142.20

Finding the Fourth Proportional to 14,056,521.20, 21,084,781.80 and 3,959,142.20

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Solution

The fourth proportional to 14,056,521.20, 21,084,781.80 and 3,959,142.20 is: 5,938,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056,521.20 : 21,084,781.80 = 3,959,142.20 : x
  2. Step 2: Convert to fraction form
    14,056,521.20/21,084,781.80 = 3,959,142.20/x
  3. Step 3: Cross multiply
    14,056,521.20x = 21,084,781.80 × 3,959,142.20
  4. Step 4: Simplify right side
    14,056,521.20x = 83,477,649,402,171.97
  5. Step 5: Solve for x
    x = 83,477,649,402,171.97/14,056,521.20
  6. Step 6: Final answer
    x = 5,938,713.30

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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.