Home / 13,263,703.89-18,303,781.98-7,383,244.83

Finding the Fourth Proportional to 13,263,703.89, 18,303,781.98 and 7,383,244.83

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Solution

The fourth proportional to 13,263,703.89, 18,303,781.98 and 7,383,244.83 is: 10,188,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,703.89 : 18,303,781.98 = 7,383,244.83 : x
  2. Step 2: Convert to fraction form
    13,263,703.89/18,303,781.98 = 7,383,244.83/x
  3. Step 3: Cross multiply
    13,263,703.89x = 18,303,781.98 × 7,383,244.83
  4. Step 4: Simplify right side
    13,263,703.89x = 135,141,303,673,282.17
  5. Step 5: Solve for x
    x = 135,141,303,673,282.17/13,263,703.89
  6. Step 6: Final answer
    x = 10,188,805.84

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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.