Home / 19,181,993.82-26,469,769.73-10,478,318.85

Finding the Fourth Proportional to 19,181,993.82, 26,469,769.73 and 10,478,318.85

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Solution

The fourth proportional to 19,181,993.82, 26,469,769.73 and 10,478,318.85 is: 14,459,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,993.82 : 26,469,769.73 = 10,478,318.85 : x
  2. Step 2: Convert to fraction form
    19,181,993.82/26,469,769.73 = 10,478,318.85/x
  3. Step 3: Cross multiply
    19,181,993.82x = 26,469,769.73 × 10,478,318.85
  4. Step 4: Simplify right side
    19,181,993.82x = 277,358,687,064,626.81
  5. Step 5: Solve for x
    x = 277,358,687,064,626.81/19,181,993.82
  6. Step 6: Final answer
    x = 14,459,325.22

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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.