Home / 18,961,165.05-26,166,530.01-11,119,081.06

Finding the Fourth Proportional to 18,961,165.05, 26,166,530.01 and 11,119,081.06

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Solution

The fourth proportional to 18,961,165.05, 26,166,530.01 and 11,119,081.06 is: 15,344,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,165.05 : 26,166,530.01 = 11,119,081.06 : x
  2. Step 2: Convert to fraction form
    18,961,165.05/26,166,530.01 = 11,119,081.06/x
  3. Step 3: Cross multiply
    18,961,165.05x = 26,166,530.01 × 11,119,081.06
  4. Step 4: Simplify right side
    18,961,165.05x = 290,947,768,240,112.62
  5. Step 5: Solve for x
    x = 290,947,768,240,112.62/18,961,165.05
  6. Step 6: Final answer
    x = 15,344,403.55

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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.