Home / 9,768,397.62-13,481,216.01-5,418,884.73

Finding the Fourth Proportional to 9,768,397.62, 13,481,216.01 and 5,418,884.73

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Solution

The fourth proportional to 9,768,397.62, 13,481,216.01 and 5,418,884.73 is: 7,478,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,397.62 : 13,481,216.01 = 5,418,884.73 : x
  2. Step 2: Convert to fraction form
    9,768,397.62/13,481,216.01 = 5,418,884.73/x
  3. Step 3: Cross multiply
    9,768,397.62x = 13,481,216.01 × 5,418,884.73
  4. Step 4: Simplify right side
    9,768,397.62x = 73,053,155,578,420.53
  5. Step 5: Solve for x
    x = 73,053,155,578,420.53/9,768,397.62
  6. Step 6: Final answer
    x = 7,478,519.86

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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.