Home / 12,766,660.56-19,133,444.92-5,184,818.64

Finding the Fourth Proportional to 12,766,660.56, 19,133,444.92 and 5,184,818.64

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Solution

The fourth proportional to 12,766,660.56, 19,133,444.92 and 5,184,818.64 is: 7,770,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,660.56 : 19,133,444.92 = 5,184,818.64 : x
  2. Step 2: Convert to fraction form
    12,766,660.56/19,133,444.92 = 5,184,818.64/x
  3. Step 3: Cross multiply
    12,766,660.56x = 19,133,444.92 × 5,184,818.64
  4. Step 4: Simplify right side
    12,766,660.56x = 99,203,441,868,629.31
  5. Step 5: Solve for x
    x = 99,203,441,868,629.31/12,766,660.56
  6. Step 6: Final answer
    x = 7,770,508.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.