Home / 7,250,431.06-10,005,395.34-3,987,245.79

Finding the Fourth Proportional to 7,250,431.06, 10,005,395.34 and 3,987,245.79

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Solution

The fourth proportional to 7,250,431.06, 10,005,395.34 and 3,987,245.79 is: 5,502,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,431.06 : 10,005,395.34 = 3,987,245.79 : x
  2. Step 2: Convert to fraction form
    7,250,431.06/10,005,395.34 = 3,987,245.79/x
  3. Step 3: Cross multiply
    7,250,431.06x = 10,005,395.34 × 3,987,245.79
  4. Step 4: Simplify right side
    7,250,431.06x = 39,893,970,475,828.23
  5. Step 5: Solve for x
    x = 39,893,970,475,828.23/7,250,431.06
  6. Step 6: Final answer
    x = 5,502,289.47

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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.