Home / 19,687,165.20-29,548,243.80-11,590,016.40

Finding the Fourth Proportional to 19,687,165.20, 29,548,243.80 and 11,590,016.40

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Solution

The fourth proportional to 19,687,165.20, 29,548,243.80 and 11,590,016.40 is: 17,395,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687,165.20 : 29,548,243.80 = 11,590,016.40 : x
  2. Step 2: Convert to fraction form
    19,687,165.20/29,548,243.80 = 11,590,016.40/x
  3. Step 3: Cross multiply
    19,687,165.20x = 29,548,243.80 × 11,590,016.40
  4. Step 4: Simplify right side
    19,687,165.20x = 342,464,630,233,198.31
  5. Step 5: Solve for x
    x = 342,464,630,233,198.31/19,687,165.20
  6. Step 6: Final answer
    x = 17,395,324.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.