Home / 21,315,502.63-31,961,015.00-8,346,468.79

Finding the Fourth Proportional to 21,315,502.63, 31,961,015.00 and 8,346,468.79

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Solution

The fourth proportional to 21,315,502.63, 31,961,015.00 and 8,346,468.79 is: 12,514,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,502.63 : 31,961,015.00 = 8,346,468.79 : x
  2. Step 2: Convert to fraction form
    21,315,502.63/31,961,015.00 = 8,346,468.79/x
  3. Step 3: Cross multiply
    21,315,502.63x = 31,961,015.00 × 8,346,468.79
  4. Step 4: Simplify right side
    21,315,502.63x = 266,761,613,992,684.44
  5. Step 5: Solve for x
    x = 266,761,613,992,684.44/21,315,502.63
  6. Step 6: Final answer
    x = 12,514,910.80

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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.