Home / 7,147,360.80-10,721,041.20-2,885,335.20

Finding the Fourth Proportional to 7,147,360.80, 10,721,041.20 and 2,885,335.20

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Solution

The fourth proportional to 7,147,360.80, 10,721,041.20 and 2,885,335.20 is: 4,328,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,360.80 : 10,721,041.20 = 2,885,335.20 : x
  2. Step 2: Convert to fraction form
    7,147,360.80/10,721,041.20 = 2,885,335.20/x
  3. Step 3: Cross multiply
    7,147,360.80x = 10,721,041.20 × 2,885,335.20
  4. Step 4: Simplify right side
    7,147,360.80x = 30,933,797,555,010.24
  5. Step 5: Solve for x
    x = 30,933,797,555,010.24/7,147,360.80
  6. Step 6: Final answer
    x = 4,328,002.80

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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.