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Finding the Fourth Proportional to 16,645,891.60, 24,962,616.60 and 6,546,422.80

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Solution

The fourth proportional to 16,645,891.60, 24,962,616.60 and 6,546,422.80 is: 9,817,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645,891.60 : 24,962,616.60 = 6,546,422.80 : x
  2. Step 2: Convert to fraction form
    16,645,891.60/24,962,616.60 = 6,546,422.80/x
  3. Step 3: Cross multiply
    16,645,891.60x = 24,962,616.60 × 6,546,422.80
  4. Step 4: Simplify right side
    16,645,891.60x = 163,415,842,457,898.50
  5. Step 5: Solve for x
    x = 163,415,842,457,898.50/16,645,891.60
  6. Step 6: Final answer
    x = 9,817,187.71

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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.