Home / 19,640,948.70-27,105,353.92-10,939,125.18

Finding the Fourth Proportional to 19,640,948.70, 27,105,353.92 and 10,939,125.18

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Solution

The fourth proportional to 19,640,948.70, 27,105,353.92 and 10,939,125.18 is: 15,096,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,948.70 : 27,105,353.92 = 10,939,125.18 : x
  2. Step 2: Convert to fraction form
    19,640,948.70/27,105,353.92 = 10,939,125.18/x
  3. Step 3: Cross multiply
    19,640,948.70x = 27,105,353.92 × 10,939,125.18
  4. Step 4: Simplify right side
    19,640,948.70x = 296,508,859,579,083.69
  5. Step 5: Solve for x
    x = 296,508,859,579,083.69/19,640,948.70
  6. Step 6: Final answer
    x = 15,096,463.22

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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.