Home / 12,993,337.80-19,448,016.30-10,137,990.60

Finding the Fourth Proportional to 12,993,337.80, 19,448,016.30 and 10,137,990.60

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Solution

The fourth proportional to 12,993,337.80, 19,448,016.30 and 10,137,990.60 is: 15,174,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,337.80 : 19,448,016.30 = 10,137,990.60 : x
  2. Step 2: Convert to fraction form
    12,993,337.80/19,448,016.30 = 10,137,990.60/x
  3. Step 3: Cross multiply
    12,993,337.80x = 19,448,016.30 × 10,137,990.60
  4. Step 4: Simplify right side
    12,993,337.80x = 197,163,806,438,046.78
  5. Step 5: Solve for x
    x = 197,163,806,438,046.78/12,993,337.80
  6. Step 6: Final answer
    x = 15,174,223.09

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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.