Home / 12,993,343.80-19,448,025.30-10,137,996.60

Finding the Fourth Proportional to 12,993,343.80, 19,448,025.30 and 10,137,996.60

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Solution

The fourth proportional to 12,993,343.80, 19,448,025.30 and 10,137,996.60 is: 15,174,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,343.80 : 19,448,025.30 = 10,137,996.60 : x
  2. Step 2: Convert to fraction form
    12,993,343.80/19,448,025.30 = 10,137,996.60/x
  3. Step 3: Cross multiply
    12,993,343.80x = 19,448,025.30 × 10,137,996.60
  4. Step 4: Simplify right side
    12,993,343.80x = 197,164,014,368,113.97
  5. Step 5: Solve for x
    x = 197,164,014,368,113.97/12,993,343.80
  6. Step 6: Final answer
    x = 15,174,232.08

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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.