Home / 7,102,780.90-10,641,924.15-3,308,481.70

Finding the Fourth Proportional to 7,102,780.90, 10,641,924.15 and 3,308,481.70

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Solution

The fourth proportional to 7,102,780.90, 10,641,924.15 and 3,308,481.70 is: 4,957,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,780.90 : 10,641,924.15 = 3,308,481.70 : x
  2. Step 2: Convert to fraction form
    7,102,780.90/10,641,924.15 = 3,308,481.70/x
  3. Step 3: Cross multiply
    7,102,780.90x = 10,641,924.15 × 3,308,481.70
  4. Step 4: Simplify right side
    7,102,780.90x = 35,208,611,303,063.05
  5. Step 5: Solve for x
    x = 35,208,611,303,063.05/7,102,780.90
  6. Step 6: Final answer
    x = 4,957,017.79

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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.