Home / 15,792,268.65-21,792,929.24-8,822,998.55

Finding the Fourth Proportional to 15,792,268.65, 21,792,929.24 and 8,822,998.55

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Solution

The fourth proportional to 15,792,268.65, 21,792,929.24 and 8,822,998.55 is: 12,175,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792,268.65 : 21,792,929.24 = 8,822,998.55 : x
  2. Step 2: Convert to fraction form
    15,792,268.65/21,792,929.24 = 8,822,998.55/x
  3. Step 3: Cross multiply
    15,792,268.65x = 21,792,929.24 × 8,822,998.55
  4. Step 4: Simplify right side
    15,792,268.65x = 192,278,983,084,772.59
  5. Step 5: Solve for x
    x = 192,278,983,084,772.59/15,792,268.65
  6. Step 6: Final answer
    x = 12,175,513.69

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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.