Home / 7,147,934.67-9,864,226.03-3,884,749.57

Finding the Fourth Proportional to 7,147,934.67, 9,864,226.03 and 3,884,749.57

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Solution

The fourth proportional to 7,147,934.67, 9,864,226.03 and 3,884,749.57 is: 5,360,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,934.67 : 9,864,226.03 = 3,884,749.57 : x
  2. Step 2: Convert to fraction form
    7,147,934.67/9,864,226.03 = 3,884,749.57/x
  3. Step 3: Cross multiply
    7,147,934.67x = 9,864,226.03 × 3,884,749.57
  4. Step 4: Simplify right side
    7,147,934.67x = 38,320,047,828,425.30
  5. Step 5: Solve for x
    x = 38,320,047,828,425.30/7,147,934.67
  6. Step 6: Final answer
    x = 5,360,995.81

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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.