Home / 7,102,780.40-10,641,923.40-3,308,481.20

Finding the Fourth Proportional to 7,102,780.40, 10,641,923.40 and 3,308,481.20

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Solution

The fourth proportional to 7,102,780.40, 10,641,923.40 and 3,308,481.20 is: 4,957,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,780.40 : 10,641,923.40 = 3,308,481.20 : x
  2. Step 2: Convert to fraction form
    7,102,780.40/10,641,923.40 = 3,308,481.20/x
  3. Step 3: Cross multiply
    7,102,780.40x = 10,641,923.40 × 3,308,481.20
  4. Step 4: Simplify right side
    7,102,780.40x = 35,208,603,500,740.09
  5. Step 5: Solve for x
    x = 35,208,603,500,740.09/7,102,780.40
  6. Step 6: Final answer
    x = 4,957,017.04

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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.