Home / 20,207,410.11-27,886,237.14-10,914,980.13

Finding the Fourth Proportional to 20,207,410.11, 27,886,237.14 and 10,914,980.13

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Solution

The fourth proportional to 20,207,410.11, 27,886,237.14 and 10,914,980.13 is: 15,062,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,410.11 : 27,886,237.14 = 10,914,980.13 : x
  2. Step 2: Convert to fraction form
    20,207,410.11/27,886,237.14 = 10,914,980.13/x
  3. Step 3: Cross multiply
    20,207,410.11x = 27,886,237.14 × 10,914,980.13
  4. Step 4: Simplify right side
    20,207,410.11x = 304,377,724,324,499.25
  5. Step 5: Solve for x
    x = 304,377,724,324,499.25/20,207,410.11
  6. Step 6: Final answer
    x = 15,062,678.62

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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.