Home / 27,745,522.27-38,288,538.66-15,355,639.75

Finding the Fourth Proportional to 27,745,522.27, 38,288,538.66 and 15,355,639.75

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Solution

The fourth proportional to 27,745,522.27, 38,288,538.66 and 15,355,639.75 is: 21,190,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745,522.27 : 38,288,538.66 = 15,355,639.75 : x
  2. Step 2: Convert to fraction form
    27,745,522.27/38,288,538.66 = 15,355,639.75/x
  3. Step 3: Cross multiply
    27,745,522.27x = 38,288,538.66 × 15,355,639.75
  4. Step 4: Simplify right side
    27,745,522.27x = 587,945,006,216,907.62
  5. Step 5: Solve for x
    x = 587,945,006,216,907.62/27,745,522.27
  6. Step 6: Final answer
    x = 21,190,626.74

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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.