Home / 7,240,003.54-9,991,377.41-3,976,886.63

Finding the Fourth Proportional to 7,240,003.54, 9,991,377.41 and 3,976,886.63

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Solution

The fourth proportional to 7,240,003.54, 9,991,377.41 and 3,976,886.63 is: 5,488,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,003.54 : 9,991,377.41 = 3,976,886.63 : x
  2. Step 2: Convert to fraction form
    7,240,003.54/9,991,377.41 = 3,976,886.63/x
  3. Step 3: Cross multiply
    7,240,003.54x = 9,991,377.41 × 3,976,886.63
  4. Step 4: Simplify right side
    7,240,003.54x = 39,734,575,217,228.59
  5. Step 5: Solve for x
    x = 39,734,575,217,228.59/7,240,003.54
  6. Step 6: Final answer
    x = 5,488,198.32

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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.