Home / 13,816,149.28-19,066,304.37-7,621,056.25

Finding the Fourth Proportional to 13,816,149.28, 19,066,304.37 and 7,621,056.25

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Solution

The fourth proportional to 13,816,149.28, 19,066,304.37 and 7,621,056.25 is: 10,517,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816,149.28 : 19,066,304.37 = 7,621,056.25 : x
  2. Step 2: Convert to fraction form
    13,816,149.28/19,066,304.37 = 7,621,056.25/x
  3. Step 3: Cross multiply
    13,816,149.28x = 19,066,304.37 × 7,621,056.25
  4. Step 4: Simplify right side
    13,816,149.28x = 145,305,378,064,304
  5. Step 5: Solve for x
    x = 145,305,378,064,304/13,816,149.28
  6. Step 6: Final answer
    x = 10,517,067.75

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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.