Home / 30,610,797.38-45,918,839.91-7,891,502.66

Finding the Fourth Proportional to 30,610,797.38, 45,918,839.91 and 7,891,502.66

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Solution

The fourth proportional to 30,610,797.38, 45,918,839.91 and 7,891,502.66 is: 11,837,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,797.38 : 45,918,839.91 = 7,891,502.66 : x
  2. Step 2: Convert to fraction form
    30,610,797.38/45,918,839.91 = 7,891,502.66/x
  3. Step 3: Cross multiply
    30,610,797.38x = 45,918,839.91 × 7,891,502.66
  4. Step 4: Simplify right side
    30,610,797.38x = 362,368,647,293,879.12
  5. Step 5: Solve for x
    x = 362,368,647,293,879.12/30,610,797.38
  6. Step 6: Final answer
    x = 11,837,935.58

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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.