Home / 19,978,914.59-27,570,902.19-10,811,557.34

Finding the Fourth Proportional to 19,978,914.59, 27,570,902.19 and 10,811,557.34

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Solution

The fourth proportional to 19,978,914.59, 27,570,902.19 and 10,811,557.34 is: 14,919,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,914.59 : 27,570,902.19 = 10,811,557.34 : x
  2. Step 2: Convert to fraction form
    19,978,914.59/27,570,902.19 = 10,811,557.34/x
  3. Step 3: Cross multiply
    19,978,914.59x = 27,570,902.19 × 10,811,557.34
  4. Step 4: Simplify right side
    19,978,914.59x = 298,084,389,942,716.56
  5. Step 5: Solve for x
    x = 298,084,389,942,716.56/19,978,914.59
  6. Step 6: Final answer
    x = 14,919,949.16

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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.