Home / 20,198,333.86-30,301,756.47-6,550,416.06

Finding the Fourth Proportional to 20,198,333.86, 30,301,756.47 and 6,550,416.06

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Solution

The fourth proportional to 20,198,333.86, 30,301,756.47 and 6,550,416.06 is: 9,827,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,333.86 : 30,301,756.47 = 6,550,416.06 : x
  2. Step 2: Convert to fraction form
    20,198,333.86/30,301,756.47 = 6,550,416.06/x
  3. Step 3: Cross multiply
    20,198,333.86x = 30,301,756.47 × 6,550,416.06
  4. Step 4: Simplify right side
    20,198,333.86x = 198,489,112,227,296.88
  5. Step 5: Solve for x
    x = 198,489,112,227,296.88/20,198,333.86
  6. Step 6: Final answer
    x = 9,827,004.23

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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.