Home / 13,479,936.90-20,219,905.35-3,895,628.10

Finding the Fourth Proportional to 13,479,936.90, 20,219,905.35 and 3,895,628.10

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Solution

The fourth proportional to 13,479,936.90, 20,219,905.35 and 3,895,628.10 is: 5,843,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,936.90 : 20,219,905.35 = 3,895,628.10 : x
  2. Step 2: Convert to fraction form
    13,479,936.90/20,219,905.35 = 3,895,628.10/x
  3. Step 3: Cross multiply
    13,479,936.90x = 20,219,905.35 × 3,895,628.10
  4. Step 4: Simplify right side
    13,479,936.90x = 78,769,231,460,800.34
  5. Step 5: Solve for x
    x = 78,769,231,460,800.34/13,479,936.90
  6. Step 6: Final answer
    x = 5,843,442.15

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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.