Home / 55,728,380.70-83,592,571.05-19,324,672.20

Finding the Fourth Proportional to 55,728,380.70, 83,592,571.05 and 19,324,672.20

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Solution

The fourth proportional to 55,728,380.70, 83,592,571.05 and 19,324,672.20 is: 28,987,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728,380.70 : 83,592,571.05 = 19,324,672.20 : x
  2. Step 2: Convert to fraction form
    55,728,380.70/83,592,571.05 = 19,324,672.20/x
  3. Step 3: Cross multiply
    55,728,380.70x = 83,592,571.05 × 19,324,672.20
  4. Step 4: Simplify right side
    55,728,380.70x = 1,615,399,033,896,459.75
  5. Step 5: Solve for x
    x = 1,615,399,033,896,459.75/55,728,380.70
  6. Step 6: Final answer
    x = 28,987,008.30

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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.