Home / 7,219,209.60-10,825,315.20-4,020,940.80

Finding the Fourth Proportional to 7,219,209.60, 10,825,315.20 and 4,020,940.80

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Solution

The fourth proportional to 7,219,209.60, 10,825,315.20 and 4,020,940.80 is: 6,029,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,209.60 : 10,825,315.20 = 4,020,940.80 : x
  2. Step 2: Convert to fraction form
    7,219,209.60/10,825,315.20 = 4,020,940.80/x
  3. Step 3: Cross multiply
    7,219,209.60x = 10,825,315.20 × 4,020,940.80
  4. Step 4: Simplify right side
    7,219,209.60x = 43,527,951,560,540.16
  5. Step 5: Solve for x
    x = 43,527,951,560,540.16/7,219,209.60
  6. Step 6: Final answer
    x = 6,029,462.22

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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.