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Finding the Fourth Proportional to 9,843,324.60, 14,764,986.90 and 8,497,007.40

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Solution

The fourth proportional to 9,843,324.60, 14,764,986.90 and 8,497,007.40 is: 12,745,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843,324.60 : 14,764,986.90 = 8,497,007.40 : x
  2. Step 2: Convert to fraction form
    9,843,324.60/14,764,986.90 = 8,497,007.40/x
  3. Step 3: Cross multiply
    9,843,324.60x = 14,764,986.90 × 8,497,007.40
  4. Step 4: Simplify right side
    9,843,324.60x = 125,458,202,950,203.06
  5. Step 5: Solve for x
    x = 125,458,202,950,203.06/9,843,324.60
  6. Step 6: Final answer
    x = 12,745,511.10

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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.