Home / 21,885,967.38-30,204,197.87-12,096,201.18

Finding the Fourth Proportional to 21,885,967.38, 30,204,197.87 and 12,096,201.18

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Solution

The fourth proportional to 21,885,967.38, 30,204,197.87 and 12,096,201.18 is: 16,693,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,967.38 : 30,204,197.87 = 12,096,201.18 : x
  2. Step 2: Convert to fraction form
    21,885,967.38/30,204,197.87 = 12,096,201.18/x
  3. Step 3: Cross multiply
    21,885,967.38x = 30,204,197.87 × 12,096,201.18
  4. Step 4: Simplify right side
    21,885,967.38x = 365,356,053,916,047.50
  5. Step 5: Solve for x
    x = 365,356,053,916,047.50/21,885,967.38
  6. Step 6: Final answer
    x = 16,693,621.42

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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.