Home / 19,152,642.30-28,728,963.45-16,761,157.80

Finding the Fourth Proportional to 19,152,642.30, 28,728,963.45 and 16,761,157.80

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Solution

The fourth proportional to 19,152,642.30, 28,728,963.45 and 16,761,157.80 is: 25,141,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,642.30 : 28,728,963.45 = 16,761,157.80 : x
  2. Step 2: Convert to fraction form
    19,152,642.30/28,728,963.45 = 16,761,157.80/x
  3. Step 3: Cross multiply
    19,152,642.30x = 28,728,963.45 × 16,761,157.80
  4. Step 4: Simplify right side
    19,152,642.30x = 481,530,689,815,882.44
  5. Step 5: Solve for x
    x = 481,530,689,815,882.44/19,152,642.30
  6. Step 6: Final answer
    x = 25,141,736.70

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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.