Home / 12,915,226.48-17,822,354.16-7,113,883.36

Finding the Fourth Proportional to 12,915,226.48, 17,822,354.16 and 7,113,883.36

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Solution

The fourth proportional to 12,915,226.48, 17,822,354.16 and 7,113,883.36 is: 9,816,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,226.48 : 17,822,354.16 = 7,113,883.36 : x
  2. Step 2: Convert to fraction form
    12,915,226.48/17,822,354.16 = 7,113,883.36/x
  3. Step 3: Cross multiply
    12,915,226.48x = 17,822,354.16 × 7,113,883.36
  4. Step 4: Simplify right side
    12,915,226.48x = 126,786,148,694,850.78
  5. Step 5: Solve for x
    x = 126,786,148,694,850.78/12,915,226.48
  6. Step 6: Final answer
    x = 9,816,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.