Home / 7,239,447.50-9,991,053.60-4,100,269.55

Finding the Fourth Proportional to 7,239,447.50, 9,991,053.60 and 4,100,269.55

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Solution

The fourth proportional to 7,239,447.50, 9,991,053.60 and 4,100,269.55 is: 5,658,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,447.50 : 9,991,053.60 = 4,100,269.55 : x
  2. Step 2: Convert to fraction form
    7,239,447.50/9,991,053.60 = 4,100,269.55/x
  3. Step 3: Cross multiply
    7,239,447.50x = 9,991,053.60 × 4,100,269.55
  4. Step 4: Simplify right side
    7,239,447.50x = 40,966,012,848,497.88
  5. Step 5: Solve for x
    x = 40,966,012,848,497.88/7,239,447.50
  6. Step 6: Final answer
    x = 5,658,720.90

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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.