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Finding the Fourth Proportional to 15,502,757.00, 21,395,841.84 and 8,889,933.30

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Solution

The fourth proportional to 15,502,757.00, 21,395,841.84 and 8,889,933.30 is: 12,269,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,757.00 : 21,395,841.84 = 8,889,933.30 : x
  2. Step 2: Convert to fraction form
    15,502,757.00/21,395,841.84 = 8,889,933.30/x
  3. Step 3: Cross multiply
    15,502,757.00x = 21,395,841.84 × 8,889,933.30
  4. Step 4: Simplify right side
    15,502,757.00x = 190,207,606,854,949.28
  5. Step 5: Solve for x
    x = 190,207,606,854,949.28/15,502,757.00
  6. Step 6: Final answer
    x = 12,269,276.16

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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.