Home / 19,978,912.59-27,570,899.43-10,811,555.34

Finding the Fourth Proportional to 19,978,912.59, 27,570,899.43 and 10,811,555.34

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Solution

The fourth proportional to 19,978,912.59, 27,570,899.43 and 10,811,555.34 is: 14,919,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,912.59 : 27,570,899.43 = 10,811,555.34 : x
  2. Step 2: Convert to fraction form
    19,978,912.59/27,570,899.43 = 10,811,555.34/x
  3. Step 3: Cross multiply
    19,978,912.59x = 27,570,899.43 × 10,811,555.34
  4. Step 4: Simplify right side
    19,978,912.59x = 298,084,304,961,019.44
  5. Step 5: Solve for x
    x = 298,084,304,961,019.44/19,978,912.59
  6. Step 6: Final answer
    x = 14,919,946.40

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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.