Home / 12,086,820.60-18,124,982.10-3,996,670.20

Finding the Fourth Proportional to 12,086,820.60, 18,124,982.10 and 3,996,670.20

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Solution

The fourth proportional to 12,086,820.60, 18,124,982.10 and 3,996,670.20 is: 5,993,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,820.60 : 18,124,982.10 = 3,996,670.20 : x
  2. Step 2: Convert to fraction form
    12,086,820.60/18,124,982.10 = 3,996,670.20/x
  3. Step 3: Cross multiply
    12,086,820.60x = 18,124,982.10 × 3,996,670.20
  4. Step 4: Simplify right side
    12,086,820.60x = 72,439,575,834,603.42
  5. Step 5: Solve for x
    x = 72,439,575,834,603.42/12,086,820.60
  6. Step 6: Final answer
    x = 5,993,269.71

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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.