Home / 21,787,851.30-32,692,274.55-15,384,315.30

Finding the Fourth Proportional to 21,787,851.30, 32,692,274.55 and 15,384,315.30

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Solution

The fourth proportional to 21,787,851.30, 32,692,274.55 and 15,384,315.30 is: 23,083,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,851.30 : 32,692,274.55 = 15,384,315.30 : x
  2. Step 2: Convert to fraction form
    21,787,851.30/32,692,274.55 = 15,384,315.30/x
  3. Step 3: Cross multiply
    21,787,851.30x = 32,692,274.55 × 15,384,315.30
  4. Step 4: Simplify right side
    21,787,851.30x = 502,948,259,551,365.62
  5. Step 5: Solve for x
    x = 502,948,259,551,365.62/21,787,851.30
  6. Step 6: Final answer
    x = 23,083,885.26

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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.