Home / 10,909,144.80-15,051,283.79-6,324,551.28

Finding the Fourth Proportional to 10,909,144.80, 15,051,283.79 and 6,324,551.28

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Solution

The fourth proportional to 10,909,144.80, 15,051,283.79 and 6,324,551.28 is: 8,725,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,144.80 : 15,051,283.79 = 6,324,551.28 : x
  2. Step 2: Convert to fraction form
    10,909,144.80/15,051,283.79 = 6,324,551.28/x
  3. Step 3: Cross multiply
    10,909,144.80x = 15,051,283.79 × 6,324,551.28
  4. Step 4: Simplify right side
    10,909,144.80x = 95,192,616,128,065
  5. Step 5: Solve for x
    x = 95,192,616,128,065/10,909,144.80
  6. Step 6: Final answer
    x = 8,725,946.71

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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.