Home / 7,210,600.12-9,950,627.40-3,947,404.72

Finding the Fourth Proportional to 7,210,600.12, 9,950,627.40 and 3,947,404.72

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Solution

The fourth proportional to 7,210,600.12, 9,950,627.40 and 3,947,404.72 is: 5,447,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,600.12 : 9,950,627.40 = 3,947,404.72 : x
  2. Step 2: Convert to fraction form
    7,210,600.12/9,950,627.40 = 3,947,404.72/x
  3. Step 3: Cross multiply
    7,210,600.12x = 9,950,627.40 × 3,947,404.72
  4. Step 4: Simplify right side
    7,210,600.12x = 39,279,153,565,721.33
  5. Step 5: Solve for x
    x = 39,279,153,565,721.33/7,210,600.12
  6. Step 6: Final answer
    x = 5,447,418.09

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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.