Home / 8,579,207.76-12,868,804.38-2,189,459.64

Finding the Fourth Proportional to 8,579,207.76, 12,868,804.38 and 2,189,459.64

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Solution

The fourth proportional to 8,579,207.76, 12,868,804.38 and 2,189,459.64 is: 3,284,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,207.76 : 12,868,804.38 = 2,189,459.64 : x
  2. Step 2: Convert to fraction form
    8,579,207.76/12,868,804.38 = 2,189,459.64/x
  3. Step 3: Cross multiply
    8,579,207.76x = 12,868,804.38 × 2,189,459.64
  4. Step 4: Simplify right side
    8,579,207.76x = 28,175,727,805,065.23
  5. Step 5: Solve for x
    x = 28,175,727,805,065.23/8,579,207.76
  6. Step 6: Final answer
    x = 3,284,187.61

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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.