Home / 9,139,855.12-13,707,022.20-2,748,410.80

Finding the Fourth Proportional to 9,139,855.12, 13,707,022.20 and 2,748,410.80

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Solution

The fourth proportional to 9,139,855.12, 13,707,022.20 and 2,748,410.80 is: 4,121,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,855.12 : 13,707,022.20 = 2,748,410.80 : x
  2. Step 2: Convert to fraction form
    9,139,855.12/13,707,022.20 = 2,748,410.80/x
  3. Step 3: Cross multiply
    9,139,855.12x = 13,707,022.20 × 2,748,410.80
  4. Step 4: Simplify right side
    9,139,855.12x = 37,672,527,805,745.66
  5. Step 5: Solve for x
    x = 37,672,527,805,745.66/9,139,855.12
  6. Step 6: Final answer
    x = 4,121,786.10

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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.