Home / 45,661,905.75-68,504,278.86-13,313,808.28

Finding the Fourth Proportional to 45,661,905.75, 68,504,278.86 and 13,313,808.28

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Solution

The fourth proportional to 45,661,905.75, 68,504,278.86 and 13,313,808.28 is: 19,974,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661,905.75 : 68,504,278.86 = 13,313,808.28 : x
  2. Step 2: Convert to fraction form
    45,661,905.75/68,504,278.86 = 13,313,808.28/x
  3. Step 3: Cross multiply
    45,661,905.75x = 68,504,278.86 × 13,313,808.28
  4. Step 4: Simplify right side
    45,661,905.75x = 912,052,834,759,175.62
  5. Step 5: Solve for x
    x = 912,052,834,759,175.62/45,661,905.75
  6. Step 6: Final answer
    x = 19,974,042.25

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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.