Home / 40,028,082.30-55,238,727.33-21,693,367.80

Finding the Fourth Proportional to 40,028,082.30, 55,238,727.33 and 21,693,367.80

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Solution

The fourth proportional to 40,028,082.30, 55,238,727.33 and 21,693,367.80 is: 29,936,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028,082.30 : 55,238,727.33 = 21,693,367.80 : x
  2. Step 2: Convert to fraction form
    40,028,082.30/55,238,727.33 = 21,693,367.80/x
  3. Step 3: Cross multiply
    40,028,082.30x = 55,238,727.33 × 21,693,367.80
  4. Step 4: Simplify right side
    40,028,082.30x = 1,198,314,028,773,602
  5. Step 5: Solve for x
    x = 1,198,314,028,773,602/40,028,082.30
  6. Step 6: Final answer
    x = 29,936,833.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.