Home / 19,640,954.70-27,105,362.20-10,939,131.18

Finding the Fourth Proportional to 19,640,954.70, 27,105,362.20 and 10,939,131.18

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Solution

The fourth proportional to 19,640,954.70, 27,105,362.20 and 10,939,131.18 is: 15,096,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,954.70 : 27,105,362.20 = 10,939,131.18 : x
  2. Step 2: Convert to fraction form
    19,640,954.70/27,105,362.20 = 10,939,131.18/x
  3. Step 3: Cross multiply
    19,640,954.70x = 27,105,362.20 × 10,939,131.18
  4. Step 4: Simplify right side
    19,640,954.70x = 296,509,112,787,213.38
  5. Step 5: Solve for x
    x = 296,509,112,787,213.38/19,640,954.70
  6. Step 6: Final answer
    x = 15,096,471.50

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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.