Home / 7,127,748.18-10,686,899.22-2,578,198.20

Finding the Fourth Proportional to 7,127,748.18, 10,686,899.22 and 2,578,198.20

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Solution

The fourth proportional to 7,127,748.18, 10,686,899.22 and 2,578,198.20 is: 3,865,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,748.18 : 10,686,899.22 = 2,578,198.20 : x
  2. Step 2: Convert to fraction form
    7,127,748.18/10,686,899.22 = 2,578,198.20/x
  3. Step 3: Cross multiply
    7,127,748.18x = 10,686,899.22 × 2,578,198.20
  4. Step 4: Simplify right side
    7,127,748.18x = 27,552,944,332,585.41
  5. Step 5: Solve for x
    x = 27,552,944,332,585.41/7,127,748.18
  6. Step 6: Final answer
    x = 3,865,588.91

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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.