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Finding the Fourth Proportional to 7,325,998.40, 10,968,002.40 and 7,116,046.40

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Solution

The fourth proportional to 7,325,998.40, 10,968,002.40 and 7,116,046.40 is: 10,653,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325,998.40 : 10,968,002.40 = 7,116,046.40 : x
  2. Step 2: Convert to fraction form
    7,325,998.40/10,968,002.40 = 7,116,046.40/x
  3. Step 3: Cross multiply
    7,325,998.40x = 10,968,002.40 × 7,116,046.40
  4. Step 4: Simplify right side
    7,325,998.40x = 78,048,813,993,711.36
  5. Step 5: Solve for x
    x = 78,048,813,993,711.36/7,325,998.40
  6. Step 6: Final answer
    x = 10,653,676.09

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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.