Home / 13,920,073.44-20,873,359.60-8,164,687.76

Finding the Fourth Proportional to 13,920,073.44, 20,873,359.60 and 8,164,687.76

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Solution

The fourth proportional to 13,920,073.44, 20,873,359.60 and 8,164,687.76 is: 12,243,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,073.44 : 20,873,359.60 = 8,164,687.76 : x
  2. Step 2: Convert to fraction form
    13,920,073.44/20,873,359.60 = 8,164,687.76/x
  3. Step 3: Cross multiply
    13,920,073.44x = 20,873,359.60 × 8,164,687.76
  4. Step 4: Simplify right side
    13,920,073.44x = 170,424,463,636,198.50
  5. Step 5: Solve for x
    x = 170,424,463,636,198.50/13,920,073.44
  6. Step 6: Final answer
    x = 12,243,072.16

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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.