Home / 10,402,481.90-15,603,722.85-9,142,769.90

Finding the Fourth Proportional to 10,402,481.90, 15,603,722.85 and 9,142,769.90

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Solution

The fourth proportional to 10,402,481.90, 15,603,722.85 and 9,142,769.90 is: 13,714,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,481.90 : 15,603,722.85 = 9,142,769.90 : x
  2. Step 2: Convert to fraction form
    10,402,481.90/15,603,722.85 = 9,142,769.90/x
  3. Step 3: Cross multiply
    10,402,481.90x = 15,603,722.85 × 9,142,769.90
  4. Step 4: Simplify right side
    10,402,481.90x = 142,661,247,600,922.22
  5. Step 5: Solve for x
    x = 142,661,247,600,922.22/10,402,481.90
  6. Step 6: Final answer
    x = 13,714,154.85

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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.