Home / 15,201,230.20-20,977,717.90-8,231,919.77

Finding the Fourth Proportional to 15,201,230.20, 20,977,717.90 and 8,231,919.77

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Solution

The fourth proportional to 15,201,230.20, 20,977,717.90 and 8,231,919.77 is: 11,360,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,230.20 : 20,977,717.90 = 8,231,919.77 : x
  2. Step 2: Convert to fraction form
    15,201,230.20/20,977,717.90 = 8,231,919.77/x
  3. Step 3: Cross multiply
    15,201,230.20x = 20,977,717.90 × 8,231,919.77
  4. Step 4: Simplify right side
    15,201,230.20x = 172,686,890,710,492.88
  5. Step 5: Solve for x
    x = 172,686,890,710,492.88/15,201,230.20
  6. Step 6: Final answer
    x = 11,360,060.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.