Home / 10,665,671.60-15,996,952.20-3,091,847.60

Finding the Fourth Proportional to 10,665,671.60, 15,996,952.20 and 3,091,847.60

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Solution

The fourth proportional to 10,665,671.60, 15,996,952.20 and 3,091,847.60 is: 4,637,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665,671.60 : 15,996,952.20 = 3,091,847.60 : x
  2. Step 2: Convert to fraction form
    10,665,671.60/15,996,952.20 = 3,091,847.60/x
  3. Step 3: Cross multiply
    10,665,671.60x = 15,996,952.20 × 3,091,847.60
  4. Step 4: Simplify right side
    10,665,671.60x = 49,460,138,266,884.72
  5. Step 5: Solve for x
    x = 49,460,138,266,884.72/10,665,671.60
  6. Step 6: Final answer
    x = 4,637,320.57

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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.