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Finding the Fourth Proportional to 16,399,216.80, 24,563,395.80 and 13,564,864.80

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Solution

The fourth proportional to 16,399,216.80, 24,563,395.80 and 13,564,864.80 is: 20,317,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399,216.80 : 24,563,395.80 = 13,564,864.80 : x
  2. Step 2: Convert to fraction form
    16,399,216.80/24,563,395.80 = 13,564,864.80/x
  3. Step 3: Cross multiply
    16,399,216.80x = 24,563,395.80 × 13,564,864.80
  4. Step 4: Simplify right side
    16,399,216.80x = 333,199,143,055,887.88
  5. Step 5: Solve for x
    x = 333,199,143,055,887.88/16,399,216.80
  6. Step 6: Final answer
    x = 20,317,991.23

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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.