Home / 19,978,918.84-27,570,908.04-10,811,561.62

Finding the Fourth Proportional to 19,978,918.84, 27,570,908.04 and 10,811,561.62

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Solution

The fourth proportional to 19,978,918.84, 27,570,908.04 and 10,811,561.62 is: 14,919,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,918.84 : 27,570,908.04 = 10,811,561.62 : x
  2. Step 2: Convert to fraction form
    19,978,918.84/27,570,908.04 = 10,811,561.62/x
  3. Step 3: Cross multiply
    19,978,918.84x = 27,570,908.04 × 10,811,561.62
  4. Step 4: Simplify right side
    19,978,918.84x = 298,084,571,193,813.38
  5. Step 5: Solve for x
    x = 298,084,571,193,813.38/19,978,918.84
  6. Step 6: Final answer
    x = 14,919,955.06

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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.