Home / 18,424,009.31-27,579,326.92-12,020,473.31

Finding the Fourth Proportional to 18,424,009.31, 27,579,326.92 and 12,020,473.31

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Solution

The fourth proportional to 18,424,009.31, 27,579,326.92 and 12,020,473.31 is: 17,993,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,009.31 : 27,579,326.92 = 12,020,473.31 : x
  2. Step 2: Convert to fraction form
    18,424,009.31/27,579,326.92 = 12,020,473.31/x
  3. Step 3: Cross multiply
    18,424,009.31x = 27,579,326.92 × 12,020,473.31
  4. Step 4: Simplify right side
    18,424,009.31x = 331,516,562,981,676.69
  5. Step 5: Solve for x
    x = 331,516,562,981,676.69/18,424,009.31
  6. Step 6: Final answer
    x = 17,993,725.33

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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.