Home / 12,784,099.20-17,641,940.32-6,982,880

Finding the Fourth Proportional to 12,784,099.20, 17,641,940.32 and 6,982,880

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Solution

The fourth proportional to 12,784,099.20, 17,641,940.32 and 6,982,880 is: 9,636,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,099.20 : 17,641,940.32 = 6,982,880 : x
  2. Step 2: Convert to fraction form
    12,784,099.20/17,641,940.32 = 6,982,880/x
  3. Step 3: Cross multiply
    12,784,099.20x = 17,641,940.32 × 6,982,880
  4. Step 4: Simplify right side
    12,784,099.20x = 123,191,552,221,721.61
  5. Step 5: Solve for x
    x = 123,191,552,221,721.61/12,784,099.20
  6. Step 6: Final answer
    x = 9,636,310.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.