Home / 15,914,913.62-21,962,580.78-8,671,569.62

Finding the Fourth Proportional to 15,914,913.62, 21,962,580.78 and 8,671,569.62

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Solution

The fourth proportional to 15,914,913.62, 21,962,580.78 and 8,671,569.62 is: 11,966,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,913.62 : 21,962,580.78 = 8,671,569.62 : x
  2. Step 2: Convert to fraction form
    15,914,913.62/21,962,580.78 = 8,671,569.62/x
  3. Step 3: Cross multiply
    15,914,913.62x = 21,962,580.78 × 8,671,569.62
  4. Step 4: Simplify right side
    15,914,913.62x = 190,450,048,268,643.91
  5. Step 5: Solve for x
    x = 190,450,048,268,643.91/15,914,913.62
  6. Step 6: Final answer
    x = 11,966,766.07

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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.