Home / 12,457,930.60-18,683,396.70-3,940,877.80

Finding the Fourth Proportional to 12,457,930.60, 18,683,396.70 and 3,940,877.80

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Solution

The fourth proportional to 12,457,930.60, 18,683,396.70 and 3,940,877.80 is: 5,910,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,930.60 : 18,683,396.70 = 3,940,877.80 : x
  2. Step 2: Convert to fraction form
    12,457,930.60/18,683,396.70 = 3,940,877.80/x
  3. Step 3: Cross multiply
    12,457,930.60x = 18,683,396.70 × 3,940,877.80
  4. Step 4: Simplify right side
    12,457,930.60x = 73,628,983,283,623.25
  5. Step 5: Solve for x
    x = 73,628,983,283,623.25/12,457,930.60
  6. Step 6: Final answer
    x = 5,910,209.78

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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.