Home / 21,885,846.60-30,204,032.07-12,096,080.09

Finding the Fourth Proportional to 21,885,846.60, 30,204,032.07 and 12,096,080.09

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Solution

The fourth proportional to 21,885,846.60, 30,204,032.07 and 12,096,080.09 is: 16,693,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,846.60 : 30,204,032.07 = 12,096,080.09 : x
  2. Step 2: Convert to fraction form
    21,885,846.60/30,204,032.07 = 12,096,080.09/x
  3. Step 3: Cross multiply
    21,885,846.60x = 30,204,032.07 × 12,096,080.09
  4. Step 4: Simplify right side
    21,885,846.60x = 365,350,390,959,648.50
  5. Step 5: Solve for x
    x = 365,350,390,959,648.50/21,885,846.60
  6. Step 6: Final answer
    x = 16,693,454.80

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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.