Home / 13,617,987.78-20,426,806.68-4,524,266.82

Finding the Fourth Proportional to 13,617,987.78, 20,426,806.68 and 4,524,266.82

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Solution

The fourth proportional to 13,617,987.78, 20,426,806.68 and 4,524,266.82 is: 6,786,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,987.78 : 20,426,806.68 = 4,524,266.82 : x
  2. Step 2: Convert to fraction form
    13,617,987.78/20,426,806.68 = 4,524,266.82/x
  3. Step 3: Cross multiply
    13,617,987.78x = 20,426,806.68 × 4,524,266.82
  4. Step 4: Simplify right side
    13,617,987.78x = 92,416,323,700,878.36
  5. Step 5: Solve for x
    x = 92,416,323,700,878.36/13,617,987.78
  6. Step 6: Final answer
    x = 6,786,342.09

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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.