Home / 21,760,109.40-32,648,199.30-8,981,722.20

Finding the Fourth Proportional to 21,760,109.40, 32,648,199.30 and 8,981,722.20

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Solution

The fourth proportional to 21,760,109.40, 32,648,199.30 and 8,981,722.20 is: 13,475,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760,109.40 : 32,648,199.30 = 8,981,722.20 : x
  2. Step 2: Convert to fraction form
    21,760,109.40/32,648,199.30 = 8,981,722.20/x
  3. Step 3: Cross multiply
    21,760,109.40x = 32,648,199.30 × 8,981,722.20
  4. Step 4: Simplify right side
    21,760,109.40x = 293,237,056,442,834.44
  5. Step 5: Solve for x
    x = 293,237,056,442,834.44/21,760,109.40
  6. Step 6: Final answer
    x = 13,475,899.92

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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.