Home / 12,514,234.60-18,771,351.90-5,323,961.80

Finding the Fourth Proportional to 12,514,234.60, 18,771,351.90 and 5,323,961.80

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Solution

The fourth proportional to 12,514,234.60, 18,771,351.90 and 5,323,961.80 is: 7,985,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514,234.60 : 18,771,351.90 = 5,323,961.80 : x
  2. Step 2: Convert to fraction form
    12,514,234.60/18,771,351.90 = 5,323,961.80/x
  3. Step 3: Cross multiply
    12,514,234.60x = 18,771,351.90 × 5,323,961.80
  4. Step 4: Simplify right side
    12,514,234.60x = 99,937,960,449,957.41
  5. Step 5: Solve for x
    x = 99,937,960,449,957.41/12,514,234.60
  6. Step 6: Final answer
    x = 7,985,942.70

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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.