Home / 11,178,043.20-16,767,064.80-8,343,691.20

Finding the Fourth Proportional to 11,178,043.20, 16,767,064.80 and 8,343,691.20

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Solution

The fourth proportional to 11,178,043.20, 16,767,064.80 and 8,343,691.20 is: 12,515,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,043.20 : 16,767,064.80 = 8,343,691.20 : x
  2. Step 2: Convert to fraction form
    11,178,043.20/16,767,064.80 = 8,343,691.20/x
  3. Step 3: Cross multiply
    11,178,043.20x = 16,767,064.80 × 8,343,691.20
  4. Step 4: Simplify right side
    11,178,043.20x = 139,899,211,021,589.77
  5. Step 5: Solve for x
    x = 139,899,211,021,589.77/11,178,043.20
  6. Step 6: Final answer
    x = 12,515,536.80

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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.