Home / 8,579,262.41-12,868,883.28-2,189,515.44

Finding the Fourth Proportional to 8,579,262.41, 12,868,883.28 and 2,189,515.44

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Solution

The fourth proportional to 8,579,262.41, 12,868,883.28 and 2,189,515.44 is: 3,284,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,262.41 : 12,868,883.28 = 2,189,515.44 : x
  2. Step 2: Convert to fraction form
    8,579,262.41/12,868,883.28 = 2,189,515.44/x
  3. Step 3: Cross multiply
    8,579,262.41x = 12,868,883.28 × 2,189,515.44
  4. Step 4: Simplify right side
    8,579,262.41x = 28,176,618,637,117.84
  5. Step 5: Solve for x
    x = 28,176,618,637,117.84/8,579,262.41
  6. Step 6: Final answer
    x = 3,284,270.52

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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.