Home / 7,210,975.58-9,951,148.54-3,947,997.55

Finding the Fourth Proportional to 7,210,975.58, 9,951,148.54 and 3,947,997.55

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Solution

The fourth proportional to 7,210,975.58, 9,951,148.54 and 3,947,997.55 is: 5,448,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,975.58 : 9,951,148.54 = 3,947,997.55 : x
  2. Step 2: Convert to fraction form
    7,210,975.58/9,951,148.54 = 3,947,997.55/x
  3. Step 3: Cross multiply
    7,210,975.58x = 9,951,148.54 × 3,947,997.55
  4. Step 4: Simplify right side
    7,210,975.58x = 39,287,110,020,858.21
  5. Step 5: Solve for x
    x = 39,287,110,020,858.21/7,210,975.58
  6. Step 6: Final answer
    x = 5,448,237.84

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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.