Home / 19,978,904.08-27,570,887.68-10,811,546.88

Finding the Fourth Proportional to 19,978,904.08, 27,570,887.68 and 10,811,546.88

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Solution

The fourth proportional to 19,978,904.08, 27,570,887.68 and 10,811,546.88 is: 14,919,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,904.08 : 27,570,887.68 = 10,811,546.88 : x
  2. Step 2: Convert to fraction form
    19,978,904.08/27,570,887.68 = 10,811,546.88/x
  3. Step 3: Cross multiply
    19,978,904.08x = 27,570,887.68 × 10,811,546.88
  4. Step 4: Simplify right side
    19,978,904.08x = 298,083,944,675,534.44
  5. Step 5: Solve for x
    x = 298,083,944,675,534.44/19,978,904.08
  6. Step 6: Final answer
    x = 14,919,934.72

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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.