Home / 10,872,189.60-16,308,219.60-2,785,149.60

Finding the Fourth Proportional to 10,872,189.60, 16,308,219.60 and 2,785,149.60

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Solution

The fourth proportional to 10,872,189.60, 16,308,219.60 and 2,785,149.60 is: 4,177,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,189.60 : 16,308,219.60 = 2,785,149.60 : x
  2. Step 2: Convert to fraction form
    10,872,189.60/16,308,219.60 = 2,785,149.60/x
  3. Step 3: Cross multiply
    10,872,189.60x = 16,308,219.60 × 2,785,149.60
  4. Step 4: Simplify right side
    10,872,189.60x = 45,420,831,295,652.16
  5. Step 5: Solve for x
    x = 45,420,831,295,652.16/10,872,189.60
  6. Step 6: Final answer
    x = 4,177,707.80

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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.