Home / 8,180,410.40-12,270,500.40-3,692,679.20

Finding the Fourth Proportional to 8,180,410.40, 12,270,500.40 and 3,692,679.20

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Solution

The fourth proportional to 8,180,410.40, 12,270,500.40 and 3,692,679.20 is: 5,538,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,410.40 : 12,270,500.40 = 3,692,679.20 : x
  2. Step 2: Convert to fraction form
    8,180,410.40/12,270,500.40 = 3,692,679.20/x
  3. Step 3: Cross multiply
    8,180,410.40x = 12,270,500.40 × 3,692,679.20
  4. Step 4: Simplify right side
    8,180,410.40x = 45,311,021,600,671.69
  5. Step 5: Solve for x
    x = 45,311,021,600,671.69/8,180,410.40
  6. Step 6: Final answer
    x = 5,538,966.80

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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.