Home / 20,207,412.11-27,886,239.90-10,914,982.13

Finding the Fourth Proportional to 20,207,412.11, 27,886,239.90 and 10,914,982.13

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Solution

The fourth proportional to 20,207,412.11, 27,886,239.90 and 10,914,982.13 is: 15,062,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,412.11 : 27,886,239.90 = 10,914,982.13 : x
  2. Step 2: Convert to fraction form
    20,207,412.11/27,886,239.90 = 10,914,982.13/x
  3. Step 3: Cross multiply
    20,207,412.11x = 27,886,239.90 × 10,914,982.13
  4. Step 4: Simplify right side
    20,207,412.11x = 304,377,810,181,393
  5. Step 5: Solve for x
    x = 304,377,810,181,393/20,207,412.11
  6. Step 6: Final answer
    x = 15,062,681.38

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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.