Home / 18,819,481.08-28,231,554.42-5,357,358.84

Finding the Fourth Proportional to 18,819,481.08, 28,231,554.42 and 5,357,358.84

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Solution

The fourth proportional to 18,819,481.08, 28,231,554.42 and 5,357,358.84 is: 8,036,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,481.08 : 28,231,554.42 = 5,357,358.84 : x
  2. Step 2: Convert to fraction form
    18,819,481.08/28,231,554.42 = 5,357,358.84/x
  3. Step 3: Cross multiply
    18,819,481.08x = 28,231,554.42 × 5,357,358.84
  4. Step 4: Simplify right side
    18,819,481.08x = 151,246,567,638,928.09
  5. Step 5: Solve for x
    x = 151,246,567,638,928.09/18,819,481.08
  6. Step 6: Final answer
    x = 8,036,702.34

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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.