Home / 27,745,446.85-38,288,434.54-15,355,564.23

Finding the Fourth Proportional to 27,745,446.85, 38,288,434.54 and 15,355,564.23

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Solution

The fourth proportional to 27,745,446.85, 38,288,434.54 and 15,355,564.23 is: 21,190,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745,446.85 : 38,288,434.54 = 15,355,564.23 : x
  2. Step 2: Convert to fraction form
    27,745,446.85/38,288,434.54 = 15,355,564.23/x
  3. Step 3: Cross multiply
    27,745,446.85x = 38,288,434.54 × 15,355,564.23
  4. Step 4: Simplify right side
    27,745,446.85x = 587,940,515,979,104.88
  5. Step 5: Solve for x
    x = 587,940,515,979,104.88/27,745,446.85
  6. Step 6: Final answer
    x = 21,190,522.51

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1.5x scale

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.