Home / 9,486,316.49-13,091,113.97-5,135,399.56

Finding the Fourth Proportional to 9,486,316.49, 13,091,113.97 and 5,135,399.56

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Solution

The fourth proportional to 9,486,316.49, 13,091,113.97 and 5,135,399.56 is: 7,086,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,316.49 : 13,091,113.97 = 5,135,399.56 : x
  2. Step 2: Convert to fraction form
    9,486,316.49/13,091,113.97 = 5,135,399.56/x
  3. Step 3: Cross multiply
    9,486,316.49x = 13,091,113.97 × 5,135,399.56
  4. Step 4: Simplify right side
    9,486,316.49x = 67,228,100,960,279.12
  5. Step 5: Solve for x
    x = 67,228,100,960,279.12/9,486,316.49
  6. Step 6: Final answer
    x = 7,086,849.89

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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.