Home / 13,123,992.24-18,111,159.36-7,323,018.48

Finding the Fourth Proportional to 13,123,992.24, 18,111,159.36 and 7,323,018.48

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Solution

The fourth proportional to 13,123,992.24, 18,111,159.36 and 7,323,018.48 is: 10,105,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,992.24 : 18,111,159.36 = 7,323,018.48 : x
  2. Step 2: Convert to fraction form
    13,123,992.24/18,111,159.36 = 7,323,018.48/x
  3. Step 3: Cross multiply
    13,123,992.24x = 18,111,159.36 × 7,323,018.48
  4. Step 4: Simplify right side
    13,123,992.24x = 132,628,354,687,504.97
  5. Step 5: Solve for x
    x = 132,628,354,687,504.97/13,123,992.24
  6. Step 6: Final answer
    x = 10,105,793.44

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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.