Home / 21,062,114.80-31,593,172.20-17,660,892.40

Finding the Fourth Proportional to 21,062,114.80, 31,593,172.20 and 17,660,892.40

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Solution

The fourth proportional to 21,062,114.80, 31,593,172.20 and 17,660,892.40 is: 26,491,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,114.80 : 31,593,172.20 = 17,660,892.40 : x
  2. Step 2: Convert to fraction form
    21,062,114.80/31,593,172.20 = 17,660,892.40/x
  3. Step 3: Cross multiply
    21,062,114.80x = 31,593,172.20 × 17,660,892.40
  4. Step 4: Simplify right side
    21,062,114.80x = 557,963,614,798,871.25
  5. Step 5: Solve for x
    x = 557,963,614,798,871.25/21,062,114.80
  6. Step 6: Final answer
    x = 26,491,338.60

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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.