Home / 8,579,263.41-12,868,884.78-2,189,516.44

Finding the Fourth Proportional to 8,579,263.41, 12,868,884.78 and 2,189,516.44

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Solution

The fourth proportional to 8,579,263.41, 12,868,884.78 and 2,189,516.44 is: 3,284,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,263.41 : 12,868,884.78 = 2,189,516.44 : x
  2. Step 2: Convert to fraction form
    8,579,263.41/12,868,884.78 = 2,189,516.44/x
  3. Step 3: Cross multiply
    8,579,263.41x = 12,868,884.78 × 2,189,516.44
  4. Step 4: Simplify right side
    8,579,263.41x = 28,176,634,790,275.78
  5. Step 5: Solve for x
    x = 28,176,634,790,275.78/8,579,263.41
  6. Step 6: Final answer
    x = 3,284,272.02

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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.