Home / 20,080,755.16-30,129,656.11-10,972,212.26

Finding the Fourth Proportional to 20,080,755.16, 30,129,656.11 and 10,972,212.26

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Solution

The fourth proportional to 20,080,755.16, 30,129,656.11 and 10,972,212.26 is: 16,462,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,755.16 : 30,129,656.11 = 10,972,212.26 : x
  2. Step 2: Convert to fraction form
    20,080,755.16/30,129,656.11 = 10,972,212.26/x
  3. Step 3: Cross multiply
    20,080,755.16x = 30,129,656.11 × 10,972,212.26
  4. Step 4: Simplify right side
    20,080,755.16x = 330,588,982,212,845.06
  5. Step 5: Solve for x
    x = 330,588,982,212,845.06/20,080,755.16
  6. Step 6: Final answer
    x = 16,462,975.60

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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.