Home / 13,673,165.40-20,509,748.10-8,571,331.80

Finding the Fourth Proportional to 13,673,165.40, 20,509,748.10 and 8,571,331.80

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Solution

The fourth proportional to 13,673,165.40, 20,509,748.10 and 8,571,331.80 is: 12,856,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,165.40 : 20,509,748.10 = 8,571,331.80 : x
  2. Step 2: Convert to fraction form
    13,673,165.40/20,509,748.10 = 8,571,331.80/x
  3. Step 3: Cross multiply
    13,673,165.40x = 20,509,748.10 × 8,571,331.80
  4. Step 4: Simplify right side
    13,673,165.40x = 175,795,856,099,519.59
  5. Step 5: Solve for x
    x = 175,795,856,099,519.59/13,673,165.40
  6. Step 6: Final answer
    x = 12,856,997.70

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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.