Home / 16,678,771.83-23,004,839.70-15,306,546.78

Finding the Fourth Proportional to 16,678,771.83, 23,004,839.70 and 15,306,546.78

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Solution

The fourth proportional to 16,678,771.83, 23,004,839.70 and 15,306,546.78 is: 21,112,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678,771.83 : 23,004,839.70 = 15,306,546.78 : x
  2. Step 2: Convert to fraction form
    16,678,771.83/23,004,839.70 = 15,306,546.78/x
  3. Step 3: Cross multiply
    16,678,771.83x = 23,004,839.70 × 15,306,546.78
  4. Step 4: Simplify right side
    16,678,771.83x = 352,124,655,034,451.12
  5. Step 5: Solve for x
    x = 352,124,655,034,451.12/16,678,771.83
  6. Step 6: Final answer
    x = 21,112,145.34

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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.