Home / 8,514,064.49-12,763,503.73-3,121,458.30

Finding the Fourth Proportional to 8,514,064.49, 12,763,503.73 and 3,121,458.30

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Solution

The fourth proportional to 8,514,064.49, 12,763,503.73 and 3,121,458.30 is: 4,679,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514,064.49 : 12,763,503.73 = 3,121,458.30 : x
  2. Step 2: Convert to fraction form
    8,514,064.49/12,763,503.73 = 3,121,458.30/x
  3. Step 3: Cross multiply
    8,514,064.49x = 12,763,503.73 × 3,121,458.30
  4. Step 4: Simplify right side
    8,514,064.49x = 39,840,744,647,285.80
  5. Step 5: Solve for x
    x = 39,840,744,647,285.80/8,514,064.49
  6. Step 6: Final answer
    x = 4,679,403.68

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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.