Home / 7,147,928.67-9,864,217.77-3,884,743.57

Finding the Fourth Proportional to 7,147,928.67, 9,864,217.77 and 3,884,743.57

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Solution

The fourth proportional to 7,147,928.67, 9,864,217.77 and 3,884,743.57 is: 5,360,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,928.67 : 9,864,217.77 = 3,884,743.57 : x
  2. Step 2: Convert to fraction form
    7,147,928.67/9,864,217.77 = 3,884,743.57/x
  3. Step 3: Cross multiply
    7,147,928.67x = 9,864,217.77 × 3,884,743.57
  4. Step 4: Simplify right side
    7,147,928.67x = 38,319,956,555,087.23
  5. Step 5: Solve for x
    x = 38,319,956,555,087.23/7,147,928.67
  6. Step 6: Final answer
    x = 5,360,987.54

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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.