Home / 28,704,986.20-43,065,773.70-8,510,714.20

Finding the Fourth Proportional to 28,704,986.20, 43,065,773.70 and 8,510,714.20

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Solution

The fourth proportional to 28,704,986.20, 43,065,773.70 and 8,510,714.20 is: 12,768,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704,986.20 : 43,065,773.70 = 8,510,714.20 : x
  2. Step 2: Convert to fraction form
    28,704,986.20/43,065,773.70 = 8,510,714.20/x
  3. Step 3: Cross multiply
    28,704,986.20x = 43,065,773.70 × 8,510,714.20
  4. Step 4: Simplify right side
    28,704,986.20x = 366,520,491,762,576.56
  5. Step 5: Solve for x
    x = 366,520,491,762,576.56/28,704,986.20
  6. Step 6: Final answer
    x = 12,768,530.50

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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.