Home / 7,250,473.09-10,005,453.30-3,987,287.83

Finding the Fourth Proportional to 7,250,473.09, 10,005,453.30 and 3,987,287.83

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Solution

The fourth proportional to 7,250,473.09, 10,005,453.30 and 3,987,287.83 is: 5,502,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,473.09 : 10,005,453.30 = 3,987,287.83 : x
  2. Step 2: Convert to fraction form
    7,250,473.09/10,005,453.30 = 3,987,287.83/x
  3. Step 3: Cross multiply
    7,250,473.09x = 10,005,453.30 × 3,987,287.83
  4. Step 4: Simplify right side
    7,250,473.09x = 39,894,622,176,723.34
  5. Step 5: Solve for x
    x = 39,894,622,176,723.34/7,250,473.09
  6. Step 6: Final answer
    x = 5,502,347.46

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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.