Home / 19,978,889.38-27,570,867.36-10,811,532.13

Finding the Fourth Proportional to 19,978,889.38, 27,570,867.36 and 10,811,532.13

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Solution

The fourth proportional to 19,978,889.38, 27,570,867.36 and 10,811,532.13 is: 14,919,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,889.38 : 27,570,867.36 = 10,811,532.13 : x
  2. Step 2: Convert to fraction form
    19,978,889.38/27,570,867.36 = 10,811,532.13/x
  3. Step 3: Cross multiply
    19,978,889.38x = 27,570,867.36 × 10,811,532.13
  4. Step 4: Simplify right side
    19,978,889.38x = 298,083,318,314,608.31
  5. Step 5: Solve for x
    x = 298,083,318,314,608.31/19,978,889.38
  6. Step 6: Final answer
    x = 14,919,914.35

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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.