Home / 8,108,736.12-11,185,190.64-5,355,428.94

Finding the Fourth Proportional to 8,108,736.12, 11,185,190.64 and 5,355,428.94

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Solution

The fourth proportional to 8,108,736.12, 11,185,190.64 and 5,355,428.94 is: 7,387,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,736.12 : 11,185,190.64 = 5,355,428.94 : x
  2. Step 2: Convert to fraction form
    8,108,736.12/11,185,190.64 = 5,355,428.94/x
  3. Step 3: Cross multiply
    8,108,736.12x = 11,185,190.64 × 5,355,428.94
  4. Step 4: Simplify right side
    8,108,736.12x = 59,901,493,652,873.13
  5. Step 5: Solve for x
    x = 59,901,493,652,873.13/8,108,736.12
  6. Step 6: Final answer
    x = 7,387,278.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.