Home / 7,167,538.53-9,891,216.59-4,267,029.78

Finding the Fourth Proportional to 7,167,538.53, 9,891,216.59 and 4,267,029.78

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Solution

The fourth proportional to 7,167,538.53, 9,891,216.59 and 4,267,029.78 is: 5,888,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,538.53 : 9,891,216.59 = 4,267,029.78 : x
  2. Step 2: Convert to fraction form
    7,167,538.53/9,891,216.59 = 4,267,029.78/x
  3. Step 3: Cross multiply
    7,167,538.53x = 9,891,216.59 × 4,267,029.78
  4. Step 4: Simplify right side
    7,167,538.53x = 42,206,115,728,624.91
  5. Step 5: Solve for x
    x = 42,206,115,728,624.91/7,167,538.53
  6. Step 6: Final answer
    x = 5,888,509.08

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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.