Home / 6,435,127.20-9,658,911.60-3,243,856.80

Finding the Fourth Proportional to 6,435,127.20, 9,658,911.60 and 3,243,856.80

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Solution

The fourth proportional to 6,435,127.20, 9,658,911.60 and 3,243,856.80 is: 4,868,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,127.20 : 9,658,911.60 = 3,243,856.80 : x
  2. Step 2: Convert to fraction form
    6,435,127.20/9,658,911.60 = 3,243,856.80/x
  3. Step 3: Cross multiply
    6,435,127.20x = 9,658,911.60 × 3,243,856.80
  4. Step 4: Simplify right side
    6,435,127.20x = 31,332,126,074,258.88
  5. Step 5: Solve for x
    x = 31,332,126,074,258.88/6,435,127.20
  6. Step 6: Final answer
    x = 4,868,921.02

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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.