Home / 13,110,809.05-18,092,992.31-7,309,951.93

Finding the Fourth Proportional to 13,110,809.05, 18,092,992.31 and 7,309,951.93

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Solution

The fourth proportional to 13,110,809.05, 18,092,992.31 and 7,309,951.93 is: 10,087,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,809.05 : 18,092,992.31 = 7,309,951.93 : x
  2. Step 2: Convert to fraction form
    13,110,809.05/18,092,992.31 = 7,309,951.93/x
  3. Step 3: Cross multiply
    13,110,809.05x = 18,092,992.31 × 7,309,951.93
  4. Step 4: Simplify right side
    13,110,809.05x = 132,258,904,055,959.64
  5. Step 5: Solve for x
    x = 132,258,904,055,959.64/13,110,809.05
  6. Step 6: Final answer
    x = 10,087,775.94

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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.