Home / 10,947,846.72-15,104,710.14-7,640,052.96

Finding the Fourth Proportional to 10,947,846.72, 15,104,710.14 and 7,640,052.96

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Solution

The fourth proportional to 10,947,846.72, 15,104,710.14 and 7,640,052.96 is: 10,540,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947,846.72 : 15,104,710.14 = 7,640,052.96 : x
  2. Step 2: Convert to fraction form
    10,947,846.72/15,104,710.14 = 7,640,052.96/x
  3. Step 3: Cross multiply
    10,947,846.72x = 15,104,710.14 × 7,640,052.96
  4. Step 4: Simplify right side
    10,947,846.72x = 115,400,785,415,049.02
  5. Step 5: Solve for x
    x = 115,400,785,415,049.02/10,947,846.72
  6. Step 6: Final answer
    x = 10,540,957.36

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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.