Home / 7,980,111.29-11,971,850.16-2,588,342.96

Finding the Fourth Proportional to 7,980,111.29, 11,971,850.16 and 2,588,342.96

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Solution

The fourth proportional to 7,980,111.29, 11,971,850.16 and 2,588,342.96 is: 3,883,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,111.29 : 11,971,850.16 = 2,588,342.96 : x
  2. Step 2: Convert to fraction form
    7,980,111.29/11,971,850.16 = 2,588,342.96/x
  3. Step 3: Cross multiply
    7,980,111.29x = 11,971,850.16 × 2,588,342.96
  4. Step 4: Simplify right side
    7,980,111.29x = 30,987,254,019,951.62
  5. Step 5: Solve for x
    x = 30,987,254,019,951.62/7,980,111.29
  6. Step 6: Final answer
    x = 3,883,060.39

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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.