Home / 13,753,525.80-18,980,320.65-7,558,792.09

Finding the Fourth Proportional to 13,753,525.80, 18,980,320.65 and 7,558,792.09

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Solution

The fourth proportional to 13,753,525.80, 18,980,320.65 and 7,558,792.09 is: 10,431,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,525.80 : 18,980,320.65 = 7,558,792.09 : x
  2. Step 2: Convert to fraction form
    13,753,525.80/18,980,320.65 = 7,558,792.09/x
  3. Step 3: Cross multiply
    13,753,525.80x = 18,980,320.65 × 7,558,792.09
  4. Step 4: Simplify right side
    13,753,525.80x = 143,468,297,594,883.66
  5. Step 5: Solve for x
    x = 143,468,297,594,883.66/13,753,525.80
  6. Step 6: Final answer
    x = 10,431,383.17

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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.