Home / 21,142,296.72-29,175,589.80-11,484,297.36

Finding the Fourth Proportional to 21,142,296.72, 29,175,589.80 and 11,484,297.36

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Solution

The fourth proportional to 21,142,296.72, 29,175,589.80 and 11,484,297.36 is: 15,847,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,142,296.72 : 29,175,589.80 = 11,484,297.36 : x
  2. Step 2: Convert to fraction form
    21,142,296.72/29,175,589.80 = 11,484,297.36/x
  3. Step 3: Cross multiply
    21,142,296.72x = 29,175,589.80 × 11,484,297.36
  4. Step 4: Simplify right side
    21,142,296.72x = 335,061,148,916,582.94
  5. Step 5: Solve for x
    x = 335,061,148,916,582.94/21,142,296.72
  6. Step 6: Final answer
    x = 15,847,906.85

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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.