Home / 7,250,424.12-10,005,842.19-3,987,491.22

Finding the Fourth Proportional to 7,250,424.12, 10,005,842.19 and 3,987,491.22

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Solution

The fourth proportional to 7,250,424.12, 10,005,842.19 and 3,987,491.22 is: 5,502,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,424.12 : 10,005,842.19 = 3,987,491.22 : x
  2. Step 2: Convert to fraction form
    7,250,424.12/10,005,842.19 = 3,987,491.22/x
  3. Step 3: Cross multiply
    7,250,424.12x = 10,005,842.19 × 3,987,491.22
  4. Step 4: Simplify right side
    7,250,424.12x = 39,898,207,881,330.57
  5. Step 5: Solve for x
    x = 39,898,207,881,330.57/7,250,424.12
  6. Step 6: Final answer
    x = 5,502,879.17

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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.