Home / 31,504,074.40-47,266,609.20-28,117,626.40

Finding the Fourth Proportional to 31,504,074.40, 47,266,609.20 and 28,117,626.40

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Solution

The fourth proportional to 31,504,074.40, 47,266,609.20 and 28,117,626.40 is: 42,185,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,074.40 : 47,266,609.20 = 28,117,626.40 : x
  2. Step 2: Convert to fraction form
    31,504,074.40/47,266,609.20 = 28,117,626.40/x
  3. Step 3: Cross multiply
    31,504,074.40x = 47,266,609.20 × 28,117,626.40
  4. Step 4: Simplify right side
    31,504,074.40x = 1,329,024,858,680,403
  5. Step 5: Solve for x
    x = 1,329,024,858,680,403/31,504,074.40
  6. Step 6: Final answer
    x = 42,185,808.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.