Home / 18,898,982.36-28,352,607.92-6,120,778.76

Finding the Fourth Proportional to 18,898,982.36, 28,352,607.92 and 6,120,778.76

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Solution

The fourth proportional to 18,898,982.36, 28,352,607.92 and 6,120,778.76 is: 9,182,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,982.36 : 28,352,607.92 = 6,120,778.76 : x
  2. Step 2: Convert to fraction form
    18,898,982.36/28,352,607.92 = 6,120,778.76/x
  3. Step 3: Cross multiply
    18,898,982.36x = 28,352,607.92 × 6,120,778.76
  4. Step 4: Simplify right side
    18,898,982.36x = 173,540,040,316,739.88
  5. Step 5: Solve for x
    x = 173,540,040,316,739.88/18,898,982.36
  6. Step 6: Final answer
    x = 9,182,507.13

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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.