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Finding the Fourth Proportional to 14,994,490.80, 22,491,736.20 and 5,411,348.40

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Solution

The fourth proportional to 14,994,490.80, 22,491,736.20 and 5,411,348.40 is: 8,117,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994,490.80 : 22,491,736.20 = 5,411,348.40 : x
  2. Step 2: Convert to fraction form
    14,994,490.80/22,491,736.20 = 5,411,348.40/x
  3. Step 3: Cross multiply
    14,994,490.80x = 22,491,736.20 × 5,411,348.40
  4. Step 4: Simplify right side
    14,994,490.80x = 121,710,620,699,092.08
  5. Step 5: Solve for x
    x = 121,710,620,699,092.08/14,994,490.80
  6. Step 6: Final answer
    x = 8,117,022.60

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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.