Home / 19,571,859.70-29,357,789.55-15,540,781.30

Finding the Fourth Proportional to 19,571,859.70, 29,357,789.55 and 15,540,781.30

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Solution

The fourth proportional to 19,571,859.70, 29,357,789.55 and 15,540,781.30 is: 23,311,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,859.70 : 29,357,789.55 = 15,540,781.30 : x
  2. Step 2: Convert to fraction form
    19,571,859.70/29,357,789.55 = 15,540,781.30/x
  3. Step 3: Cross multiply
    19,571,859.70x = 29,357,789.55 × 15,540,781.30
  4. Step 4: Simplify right side
    19,571,859.70x = 456,242,986,847,975.44
  5. Step 5: Solve for x
    x = 456,242,986,847,975.44/19,571,859.70
  6. Step 6: Final answer
    x = 23,311,171.95

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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.