Home / 6,785,451.60-10,177,108.20-5,640,053.28

Finding the Fourth Proportional to 6,785,451.60, 10,177,108.20 and 5,640,053.28

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Solution

The fourth proportional to 6,785,451.60, 10,177,108.20 and 5,640,053.28 is: 8,459,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785,451.60 : 10,177,108.20 = 5,640,053.28 : x
  2. Step 2: Convert to fraction form
    6,785,451.60/10,177,108.20 = 5,640,053.28/x
  3. Step 3: Cross multiply
    6,785,451.60x = 10,177,108.20 × 5,640,053.28
  4. Step 4: Simplify right side
    6,785,451.60x = 57,399,432,484,324.89
  5. Step 5: Solve for x
    x = 57,399,432,484,324.89/6,785,451.60
  6. Step 6: Final answer
    x = 8,459,191.20

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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.