Home / 20,198,333.60-30,301,756.09-6,550,415.81

Finding the Fourth Proportional to 20,198,333.60, 30,301,756.09 and 6,550,415.81

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Solution

The fourth proportional to 20,198,333.60, 30,301,756.09 and 6,550,415.81 is: 9,827,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,333.60 : 30,301,756.09 = 6,550,415.81 : x
  2. Step 2: Convert to fraction form
    20,198,333.60/30,301,756.09 = 6,550,415.81/x
  3. Step 3: Cross multiply
    20,198,333.60x = 30,301,756.09 × 6,550,415.81
  4. Step 4: Simplify right side
    20,198,333.60x = 198,489,102,108,446.53
  5. Step 5: Solve for x
    x = 198,489,102,108,446.53/20,198,333.60
  6. Step 6: Final answer
    x = 9,827,003.85

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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.