Home / 8,579,263.88-12,868,885.49-2,189,516.92

Finding the Fourth Proportional to 8,579,263.88, 12,868,885.49 and 2,189,516.92

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Solution

The fourth proportional to 8,579,263.88, 12,868,885.49 and 2,189,516.92 is: 3,284,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,263.88 : 12,868,885.49 = 2,189,516.92 : x
  2. Step 2: Convert to fraction form
    8,579,263.88/12,868,885.49 = 2,189,516.92/x
  3. Step 3: Cross multiply
    8,579,263.88x = 12,868,885.49 × 2,189,516.92
  4. Step 4: Simplify right side
    8,579,263.88x = 28,176,642,478,777.69
  5. Step 5: Solve for x
    x = 28,176,642,478,777.69/8,579,263.88
  6. Step 6: Final answer
    x = 3,284,272.74

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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.