Home / 12,778,130.97-19,155,998.94-4,805,553.69

Finding the Fourth Proportional to 12,778,130.97, 19,155,998.94 and 4,805,553.69

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Solution

The fourth proportional to 12,778,130.97, 19,155,998.94 and 4,805,553.69 is: 7,204,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,130.97 : 19,155,998.94 = 4,805,553.69 : x
  2. Step 2: Convert to fraction form
    12,778,130.97/19,155,998.94 = 4,805,553.69/x
  3. Step 3: Cross multiply
    12,778,130.97x = 19,155,998.94 × 4,805,553.69
  4. Step 4: Simplify right side
    12,778,130.97x = 92,055,181,391,753.11
  5. Step 5: Solve for x
    x = 92,055,181,391,753.11/12,778,130.97
  6. Step 6: Final answer
    x = 7,204,119.41

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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.