Home / 8,221,115.52-12,328,606.08-2,828,240.64

Finding the Fourth Proportional to 8,221,115.52, 12,328,606.08 and 2,828,240.64

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Solution

The fourth proportional to 8,221,115.52, 12,328,606.08 and 2,828,240.64 is: 4,241,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,115.52 : 12,328,606.08 = 2,828,240.64 : x
  2. Step 2: Convert to fraction form
    8,221,115.52/12,328,606.08 = 2,828,240.64/x
  3. Step 3: Cross multiply
    8,221,115.52x = 12,328,606.08 × 2,828,240.64
  4. Step 4: Simplify right side
    8,221,115.52x = 34,868,264,750,007.09
  5. Step 5: Solve for x
    x = 34,868,264,750,007.09/8,221,115.52
  6. Step 6: Final answer
    x = 4,241,305.78

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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.