Home / 13,479,918.60-20,219,877.90-3,895,609.80

Finding the Fourth Proportional to 13,479,918.60, 20,219,877.90 and 3,895,609.80

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Solution

The fourth proportional to 13,479,918.60, 20,219,877.90 and 3,895,609.80 is: 5,843,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,918.60 : 20,219,877.90 = 3,895,609.80 : x
  2. Step 2: Convert to fraction form
    13,479,918.60/20,219,877.90 = 3,895,609.80/x
  3. Step 3: Cross multiply
    13,479,918.60x = 20,219,877.90 × 3,895,609.80
  4. Step 4: Simplify right side
    13,479,918.60x = 78,768,754,502,043.41
  5. Step 5: Solve for x
    x = 78,768,754,502,043.41/13,479,918.60
  6. Step 6: Final answer
    x = 5,843,414.70

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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.