Home / 8,640,902.16-12,963,190.32-2,959,601.04

Finding the Fourth Proportional to 8,640,902.16, 12,963,190.32 and 2,959,601.04

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Solution

The fourth proportional to 8,640,902.16, 12,963,190.32 and 2,959,601.04 is: 4,440,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,902.16 : 12,963,190.32 = 2,959,601.04 : x
  2. Step 2: Convert to fraction form
    8,640,902.16/12,963,190.32 = 2,959,601.04/x
  3. Step 3: Cross multiply
    8,640,902.16x = 12,963,190.32 × 2,959,601.04
  4. Step 4: Simplify right side
    8,640,902.16x = 38,365,871,552,789.94
  5. Step 5: Solve for x
    x = 38,365,871,552,789.94/8,640,902.16
  6. Step 6: Final answer
    x = 4,440,030.78

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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.