Home / 16,770,777.98-23,143,137.55-9,428,921.78

Finding the Fourth Proportional to 16,770,777.98, 23,143,137.55 and 9,428,921.78

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Solution

The fourth proportional to 16,770,777.98, 23,143,137.55 and 9,428,921.78 is: 13,011,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,777.98 : 23,143,137.55 = 9,428,921.78 : x
  2. Step 2: Convert to fraction form
    16,770,777.98/23,143,137.55 = 9,428,921.78/x
  3. Step 3: Cross multiply
    16,770,777.98x = 23,143,137.55 × 9,428,921.78
  4. Step 4: Simplify right side
    16,770,777.98x = 218,214,833,563,442.84
  5. Step 5: Solve for x
    x = 218,214,833,563,442.84/16,770,777.98
  6. Step 6: Final answer
    x = 13,011,610.67

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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.