Home / 8,579,262.84-12,868,883.94-2,189,515.88

Finding the Fourth Proportional to 8,579,262.84, 12,868,883.94 and 2,189,515.88

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Solution

The fourth proportional to 8,579,262.84, 12,868,883.94 and 2,189,515.88 is: 3,284,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,262.84 : 12,868,883.94 = 2,189,515.88 : x
  2. Step 2: Convert to fraction form
    8,579,262.84/12,868,883.94 = 2,189,515.88/x
  3. Step 3: Cross multiply
    8,579,262.84x = 12,868,883.94 × 2,189,515.88
  4. Step 4: Simplify right side
    8,579,262.84x = 28,176,625,669,214.97
  5. Step 5: Solve for x
    x = 28,176,625,669,214.97/8,579,262.84
  6. Step 6: Final answer
    x = 3,284,271.18

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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.