Home / 19,727,066.62-27,222,179.05-10,905,989.84

Finding the Fourth Proportional to 19,727,066.62, 27,222,179.05 and 10,905,989.84

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Solution

The fourth proportional to 19,727,066.62, 27,222,179.05 and 10,905,989.84 is: 15,049,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727,066.62 : 27,222,179.05 = 10,905,989.84 : x
  2. Step 2: Convert to fraction form
    19,727,066.62/27,222,179.05 = 10,905,989.84/x
  3. Step 3: Cross multiply
    19,727,066.62x = 27,222,179.05 × 10,905,989.84
  4. Step 4: Simplify right side
    19,727,066.62x = 296,884,808,141,960.88
  5. Step 5: Solve for x
    x = 296,884,808,141,960.88/19,727,066.62
  6. Step 6: Final answer
    x = 15,049,617.56

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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.