Home / 7,447,355.60-11,171,033.40-2,655,201.20

Finding the Fourth Proportional to 7,447,355.60, 11,171,033.40 and 2,655,201.20

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Solution

The fourth proportional to 7,447,355.60, 11,171,033.40 and 2,655,201.20 is: 3,982,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,355.60 : 11,171,033.40 = 2,655,201.20 : x
  2. Step 2: Convert to fraction form
    7,447,355.60/11,171,033.40 = 2,655,201.20/x
  3. Step 3: Cross multiply
    7,447,355.60x = 11,171,033.40 × 2,655,201.20
  4. Step 4: Simplify right side
    7,447,355.60x = 29,661,341,288,920.08
  5. Step 5: Solve for x
    x = 29,661,341,288,920.08/7,447,355.60
  6. Step 6: Final answer
    x = 3,982,801.80

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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.