Home / 8,317,682.20-12,476,523.30-7,341,405.40

Finding the Fourth Proportional to 8,317,682.20, 12,476,523.30 and 7,341,405.40

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Solution

The fourth proportional to 8,317,682.20, 12,476,523.30 and 7,341,405.40 is: 11,012,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,682.20 : 12,476,523.30 = 7,341,405.40 : x
  2. Step 2: Convert to fraction form
    8,317,682.20/12,476,523.30 = 7,341,405.40/x
  3. Step 3: Cross multiply
    8,317,682.20x = 12,476,523.30 × 7,341,405.40
  4. Step 4: Simplify right side
    8,317,682.20x = 91,595,215,527,845.83
  5. Step 5: Solve for x
    x = 91,595,215,527,845.83/8,317,682.20
  6. Step 6: Final answer
    x = 11,012,108.10

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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.