Home / 8,155,979.09-12,226,325.06-2,760,854.21

Finding the Fourth Proportional to 8,155,979.09, 12,226,325.06 and 2,760,854.21

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Solution

The fourth proportional to 8,155,979.09, 12,226,325.06 and 2,760,854.21 is: 4,138,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,979.09 : 12,226,325.06 = 2,760,854.21 : x
  2. Step 2: Convert to fraction form
    8,155,979.09/12,226,325.06 = 2,760,854.21/x
  3. Step 3: Cross multiply
    8,155,979.09x = 12,226,325.06 × 2,760,854.21
  4. Step 4: Simplify right side
    8,155,979.09x = 33,755,101,014,729.50
  5. Step 5: Solve for x
    x = 33,755,101,014,729.50/8,155,979.09
  6. Step 6: Final answer
    x = 4,138,693.91

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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.