Home / 21,022,096.64-29,005,003.22-12,315,588.89

Finding the Fourth Proportional to 21,022,096.64, 29,005,003.22 and 12,315,588.89

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Solution

The fourth proportional to 21,022,096.64, 29,005,003.22 and 12,315,588.89 is: 16,992,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,096.64 : 29,005,003.22 = 12,315,588.89 : x
  2. Step 2: Convert to fraction form
    21,022,096.64/29,005,003.22 = 12,315,588.89/x
  3. Step 3: Cross multiply
    21,022,096.64x = 29,005,003.22 × 12,315,588.89
  4. Step 4: Simplify right side
    21,022,096.64x = 357,213,695,204,043.25
  5. Step 5: Solve for x
    x = 357,213,695,204,043.25/21,022,096.64
  6. Step 6: Final answer
    x = 16,992,296.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.