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Finding the Fourth Proportional to 16,563,616.40, 24,789,437.40 and 14,548,077.20

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Solution

The fourth proportional to 16,563,616.40, 24,789,437.40 and 14,548,077.20 is: 21,772,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,563,616.40 : 24,789,437.40 = 14,548,077.20 : x
  2. Step 2: Convert to fraction form
    16,563,616.40/24,789,437.40 = 14,548,077.20/x
  3. Step 3: Cross multiply
    16,563,616.40x = 24,789,437.40 × 14,548,077.20
  4. Step 4: Simplify right side
    16,563,616.40x = 360,638,649,039,767.25
  5. Step 5: Solve for x
    x = 360,638,649,039,767.25/16,563,616.40
  6. Step 6: Final answer
    x = 21,772,941.39

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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.