Home / 7,208,653.52-9,947,536.68-3,945,461.36

Finding the Fourth Proportional to 7,208,653.52, 9,947,536.68 and 3,945,461.36

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Solution

The fourth proportional to 7,208,653.52, 9,947,536.68 and 3,945,461.36 is: 5,444,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,653.52 : 9,947,536.68 = 3,945,461.36 : x
  2. Step 2: Convert to fraction form
    7,208,653.52/9,947,536.68 = 3,945,461.36/x
  3. Step 3: Cross multiply
    7,208,653.52x = 9,947,536.68 × 3,945,461.36
  4. Step 4: Simplify right side
    7,208,653.52x = 39,247,621,598,122.68
  5. Step 5: Solve for x
    x = 39,247,621,598,122.68/7,208,653.52
  6. Step 6: Final answer
    x = 5,444,514.91

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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.