Home / 10,370,512.20-15,551,102.70-3,978,640.20

Finding the Fourth Proportional to 10,370,512.20, 15,551,102.70 and 3,978,640.20

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Solution

The fourth proportional to 10,370,512.20, 15,551,102.70 and 3,978,640.20 is: 5,966,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,512.20 : 15,551,102.70 = 3,978,640.20 : x
  2. Step 2: Convert to fraction form
    10,370,512.20/15,551,102.70 = 3,978,640.20/x
  3. Step 3: Cross multiply
    10,370,512.20x = 15,551,102.70 × 3,978,640.20
  4. Step 4: Simplify right side
    10,370,512.20x = 61,872,242,356,548.54
  5. Step 5: Solve for x
    x = 61,872,242,356,548.54/10,370,512.20
  6. Step 6: Final answer
    x = 5,966,170.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.