Home / 21,851,487.40-32,777,231.10-11,647,820.20

Finding the Fourth Proportional to 21,851,487.40, 32,777,231.10 and 11,647,820.20

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Solution

The fourth proportional to 21,851,487.40, 32,777,231.10 and 11,647,820.20 is: 17,471,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,487.40 : 32,777,231.10 = 11,647,820.20 : x
  2. Step 2: Convert to fraction form
    21,851,487.40/32,777,231.10 = 11,647,820.20/x
  3. Step 3: Cross multiply
    21,851,487.40x = 32,777,231.10 × 11,647,820.20
  4. Step 4: Simplify right side
    21,851,487.40x = 381,783,294,506,648.19
  5. Step 5: Solve for x
    x = 381,783,294,506,648.19/21,851,487.40
  6. Step 6: Final answer
    x = 17,471,730.30

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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.