Home / 13,287,297.91-19,929,054.38-4,188,212.98

Finding the Fourth Proportional to 13,287,297.91, 19,929,054.38 and 4,188,212.98

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Solution

The fourth proportional to 13,287,297.91, 19,929,054.38 and 4,188,212.98 is: 6,281,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,297.91 : 19,929,054.38 = 4,188,212.98 : x
  2. Step 2: Convert to fraction form
    13,287,297.91/19,929,054.38 = 4,188,212.98/x
  3. Step 3: Cross multiply
    13,287,297.91x = 19,929,054.38 × 4,188,212.98
  4. Step 4: Simplify right side
    13,287,297.91x = 83,467,124,187,589.47
  5. Step 5: Solve for x
    x = 83,467,124,187,589.47/13,287,297.91
  6. Step 6: Final answer
    x = 6,281,722.95

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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.