Home / 20,178,716.04-27,839,351.16-15,533,923.32

Finding the Fourth Proportional to 20,178,716.04, 27,839,351.16 and 15,533,923.32

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Solution

The fourth proportional to 20,178,716.04, 27,839,351.16 and 15,533,923.32 is: 21,431,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,716.04 : 27,839,351.16 = 15,533,923.32 : x
  2. Step 2: Convert to fraction form
    20,178,716.04/27,839,351.16 = 15,533,923.32/x
  3. Step 3: Cross multiply
    20,178,716.04x = 27,839,351.16 × 15,533,923.32
  4. Step 4: Simplify right side
    20,178,716.04x = 432,454,346,197,993.06
  5. Step 5: Solve for x
    x = 432,454,346,197,993.06/20,178,716.04
  6. Step 6: Final answer
    x = 21,431,212.24

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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.