Home / 12,673,357.78-17,485,412.61-7,773,544.66

Finding the Fourth Proportional to 12,673,357.78, 17,485,412.61 and 7,773,544.66

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Solution

The fourth proportional to 12,673,357.78, 17,485,412.61 and 7,773,544.66 is: 10,725,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,357.78 : 17,485,412.61 = 7,773,544.66 : x
  2. Step 2: Convert to fraction form
    12,673,357.78/17,485,412.61 = 7,773,544.66/x
  3. Step 3: Cross multiply
    12,673,357.78x = 17,485,412.61 × 7,773,544.66
  4. Step 4: Simplify right side
    12,673,357.78x = 135,923,635,822,362.16
  5. Step 5: Solve for x
    x = 135,923,635,822,362.16/12,673,357.78
  6. Step 6: Final answer
    x = 10,725,147.84

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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.