Home / 20,207,417.56-27,886,247.42-10,914,987.58

Finding the Fourth Proportional to 20,207,417.56, 27,886,247.42 and 10,914,987.58

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Solution

The fourth proportional to 20,207,417.56, 27,886,247.42 and 10,914,987.58 is: 15,062,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,417.56 : 27,886,247.42 = 10,914,987.58 : x
  2. Step 2: Convert to fraction form
    20,207,417.56/27,886,247.42 = 10,914,987.58/x
  3. Step 3: Cross multiply
    20,207,417.56x = 27,886,247.42 × 10,914,987.58
  4. Step 4: Simplify right side
    20,207,417.56x = 304,378,044,242,107.06
  5. Step 5: Solve for x
    x = 304,378,044,242,107.06/20,207,417.56
  6. Step 6: Final answer
    x = 15,062,688.90

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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.