Home / 10,408,682.25-15,620,876.52-7,118,174.52

Finding the Fourth Proportional to 10,408,682.25, 15,620,876.52 and 7,118,174.52

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Solution

The fourth proportional to 10,408,682.25, 15,620,876.52 and 7,118,174.52 is: 10,682,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,682.25 : 15,620,876.52 = 7,118,174.52 : x
  2. Step 2: Convert to fraction form
    10,408,682.25/15,620,876.52 = 7,118,174.52/x
  3. Step 3: Cross multiply
    10,408,682.25x = 15,620,876.52 × 7,118,174.52
  4. Step 4: Simplify right side
    10,408,682.25x = 111,192,125,224,730.27
  5. Step 5: Solve for x
    x = 111,192,125,224,730.27/10,408,682.25
  6. Step 6: Final answer
    x = 10,682,632.30

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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.