Home / 7,980,118.66-11,971,861.22-2,588,350.34

Finding the Fourth Proportional to 7,980,118.66, 11,971,861.22 and 2,588,350.34

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Solution

The fourth proportional to 7,980,118.66, 11,971,861.22 and 2,588,350.34 is: 3,883,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,118.66 : 11,971,861.22 = 2,588,350.34 : x
  2. Step 2: Convert to fraction form
    7,980,118.66/11,971,861.22 = 2,588,350.34/x
  3. Step 3: Cross multiply
    7,980,118.66x = 11,971,861.22 × 2,588,350.34
  4. Step 4: Simplify right side
    7,980,118.66x = 30,987,371,059,219.82
  5. Step 5: Solve for x
    x = 30,987,371,059,219.82/7,980,118.66
  6. Step 6: Final answer
    x = 3,883,071.47

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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.