Home / 8,579,263.84-12,868,885.43-2,189,516.88

Finding the Fourth Proportional to 8,579,263.84, 12,868,885.43 and 2,189,516.88

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Solution

The fourth proportional to 8,579,263.84, 12,868,885.43 and 2,189,516.88 is: 3,284,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,263.84 : 12,868,885.43 = 2,189,516.88 : x
  2. Step 2: Convert to fraction form
    8,579,263.84/12,868,885.43 = 2,189,516.88/x
  3. Step 3: Cross multiply
    8,579,263.84x = 12,868,885.43 × 2,189,516.88
  4. Step 4: Simplify right side
    8,579,263.84x = 28,176,641,875,771.05
  5. Step 5: Solve for x
    x = 28,176,641,875,771.05/8,579,263.84
  6. Step 6: Final answer
    x = 3,284,272.68

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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.