Home / 7,083,227.20-9,774,638.40-3,985,923.28

Finding the Fourth Proportional to 7,083,227.20, 9,774,638.40 and 3,985,923.28

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Solution

The fourth proportional to 7,083,227.20, 9,774,638.40 and 3,985,923.28 is: 5,500,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083,227.20 : 9,774,638.40 = 3,985,923.28 : x
  2. Step 2: Convert to fraction form
    7,083,227.20/9,774,638.40 = 3,985,923.28/x
  3. Step 3: Cross multiply
    7,083,227.20x = 9,774,638.40 × 3,985,923.28
  4. Step 4: Simplify right side
    7,083,227.20x = 38,960,958,752,141.95
  5. Step 5: Solve for x
    x = 38,960,958,752,141.95/7,083,227.20
  6. Step 6: Final answer
    x = 5,500,453.06

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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.