Home / 7,420,977.29-11,132,864.36-2,811,344.27

Finding the Fourth Proportional to 7,420,977.29, 11,132,864.36 and 2,811,344.27

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Solution

The fourth proportional to 7,420,977.29, 11,132,864.36 and 2,811,344.27 is: 4,217,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,977.29 : 11,132,864.36 = 2,811,344.27 : x
  2. Step 2: Convert to fraction form
    7,420,977.29/11,132,864.36 = 2,811,344.27/x
  3. Step 3: Cross multiply
    7,420,977.29x = 11,132,864.36 × 2,811,344.27
  4. Step 4: Simplify right side
    7,420,977.29x = 31,298,314,403,181.78
  5. Step 5: Solve for x
    x = 31,298,314,403,181.78/7,420,977.29
  6. Step 6: Final answer
    x = 4,217,546.18

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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.