Home / 7,980,173.82-11,971,944.32-2,588,405.58

Finding the Fourth Proportional to 7,980,173.82, 11,971,944.32 and 2,588,405.58

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Solution

The fourth proportional to 7,980,173.82, 11,971,944.32 and 2,588,405.58 is: 3,883,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,173.82 : 11,971,944.32 = 2,588,405.58 : x
  2. Step 2: Convert to fraction form
    7,980,173.82/11,971,944.32 = 2,588,405.58/x
  3. Step 3: Cross multiply
    7,980,173.82x = 11,971,944.32 × 2,588,405.58
  4. Step 4: Simplify right side
    7,980,173.82x = 30,988,247,468,395.28
  5. Step 5: Solve for x
    x = 30,988,247,468,395.28/7,980,173.82
  6. Step 6: Final answer
    x = 3,883,154.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.