Home / 12,792,916.62-17,654,226.48-6,991,696.62

Finding the Fourth Proportional to 12,792,916.62, 17,654,226.48 and 6,991,696.62

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Solution

The fourth proportional to 12,792,916.62, 17,654,226.48 and 6,991,696.62 is: 9,648,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,916.62 : 17,654,226.48 = 6,991,696.62 : x
  2. Step 2: Convert to fraction form
    12,792,916.62/17,654,226.48 = 6,991,696.62/x
  3. Step 3: Cross multiply
    12,792,916.62x = 17,654,226.48 × 6,991,696.62
  4. Step 4: Simplify right side
    12,792,916.62x = 123,432,995,608,930.50
  5. Step 5: Solve for x
    x = 123,432,995,608,930.50/12,792,916.62
  6. Step 6: Final answer
    x = 9,648,542.18

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1.5x scale

Why These Related Problems?

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