Home / 19,979,036.52-27,571,071.78-10,811,679.72

Finding the Fourth Proportional to 19,979,036.52, 27,571,071.78 and 10,811,679.72

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Solution

The fourth proportional to 19,979,036.52, 27,571,071.78 and 10,811,679.72 is: 14,920,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,036.52 : 27,571,071.78 = 10,811,679.72 : x
  2. Step 2: Convert to fraction form
    19,979,036.52/27,571,071.78 = 10,811,679.72/x
  3. Step 3: Cross multiply
    19,979,036.52x = 27,571,071.78 × 10,811,679.72
  4. Step 4: Simplify right side
    19,979,036.52x = 298,089,597,622,490.31
  5. Step 5: Solve for x
    x = 298,089,597,622,490.31/19,979,036.52
  6. Step 6: Final answer
    x = 14,920,118.76

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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.