Home / 15,565,976.60-23,285,979.30-13,676,408.60

Finding the Fourth Proportional to 15,565,976.60, 23,285,979.30 and 13,676,408.60

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Solution

The fourth proportional to 15,565,976.60, 23,285,979.30 and 13,676,408.60 is: 20,459,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,976.60 : 23,285,979.30 = 13,676,408.60 : x
  2. Step 2: Convert to fraction form
    15,565,976.60/23,285,979.30 = 13,676,408.60/x
  3. Step 3: Cross multiply
    15,565,976.60x = 23,285,979.30 × 13,676,408.60
  4. Step 4: Simplify right side
    15,565,976.60x = 318,468,567,557,942
  5. Step 5: Solve for x
    x = 318,468,567,557,942/15,565,976.60
  6. Step 6: Final answer
    x = 20,459,273.18

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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.