Home / 10,640,905.20-15,963,690.60-3,451,215.60

Finding the Fourth Proportional to 10,640,905.20, 15,963,690.60 and 3,451,215.60

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Solution

The fourth proportional to 10,640,905.20, 15,963,690.60 and 3,451,215.60 is: 5,177,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,905.20 : 15,963,690.60 = 3,451,215.60 : x
  2. Step 2: Convert to fraction form
    10,640,905.20/15,963,690.60 = 3,451,215.60/x
  3. Step 3: Cross multiply
    10,640,905.20x = 15,963,690.60 × 3,451,215.60
  4. Step 4: Simplify right side
    10,640,905.20x = 55,094,138,032,293.36
  5. Step 5: Solve for x
    x = 55,094,138,032,293.36/10,640,905.20
  6. Step 6: Final answer
    x = 5,177,580.01

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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.