Home / 14,351,243.45-19,806,987.86-8,553,388.21

Finding the Fourth Proportional to 14,351,243.45, 19,806,987.86 and 8,553,388.21

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Solution

The fourth proportional to 14,351,243.45, 19,806,987.86 and 8,553,388.21 is: 11,805,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,243.45 : 19,806,987.86 = 8,553,388.21 : x
  2. Step 2: Convert to fraction form
    14,351,243.45/19,806,987.86 = 8,553,388.21/x
  3. Step 3: Cross multiply
    14,351,243.45x = 19,806,987.86 × 8,553,388.21
  4. Step 4: Simplify right side
    14,351,243.45x = 169,416,856,480,949.84
  5. Step 5: Solve for x
    x = 169,416,856,480,949.84/14,351,243.45
  6. Step 6: Final answer
    x = 11,805,029.80

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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.