Home / 6,472,013.20-9,714,240.60-3,280,742.80

Finding the Fourth Proportional to 6,472,013.20, 9,714,240.60 and 3,280,742.80

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Solution

The fourth proportional to 6,472,013.20, 9,714,240.60 and 3,280,742.80 is: 4,924,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,013.20 : 9,714,240.60 = 3,280,742.80 : x
  2. Step 2: Convert to fraction form
    6,472,013.20/9,714,240.60 = 3,280,742.80/x
  3. Step 3: Cross multiply
    6,472,013.20x = 9,714,240.60 × 3,280,742.80
  4. Step 4: Simplify right side
    6,472,013.20x = 31,869,924,905,917.68
  5. Step 5: Solve for x
    x = 31,869,924,905,917.68/6,472,013.20
  6. Step 6: Final answer
    x = 4,924,267.60

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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.