Home / 7,225,350.72-9,971,120.78-3,961,970.82

Finding the Fourth Proportional to 7,225,350.72, 9,971,120.78 and 3,961,970.82

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Solution

The fourth proportional to 7,225,350.72, 9,971,120.78 and 3,961,970.82 is: 5,467,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,350.72 : 9,971,120.78 = 3,961,970.82 : x
  2. Step 2: Convert to fraction form
    7,225,350.72/9,971,120.78 = 3,961,970.82/x
  3. Step 3: Cross multiply
    7,225,350.72x = 9,971,120.78 × 3,961,970.82
  4. Step 4: Simplify right side
    7,225,350.72x = 39,505,289,573,055.63
  5. Step 5: Solve for x
    x = 39,505,289,573,055.63/7,225,350.72
  6. Step 6: Final answer
    x = 5,467,594.74

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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.