Home / 12,672,003.80-19,008,005.70-10,283,216.60

Finding the Fourth Proportional to 12,672,003.80, 19,008,005.70 and 10,283,216.60

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Solution

The fourth proportional to 12,672,003.80, 19,008,005.70 and 10,283,216.60 is: 15,424,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,003.80 : 19,008,005.70 = 10,283,216.60 : x
  2. Step 2: Convert to fraction form
    12,672,003.80/19,008,005.70 = 10,283,216.60/x
  3. Step 3: Cross multiply
    12,672,003.80x = 19,008,005.70 × 10,283,216.60
  4. Step 4: Simplify right side
    12,672,003.80x = 195,463,439,747,134.59
  5. Step 5: Solve for x
    x = 195,463,439,747,134.59/12,672,003.80
  6. Step 6: Final answer
    x = 15,424,824.90

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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.