Home / 14,507,188.44-20,019,129.24-7,979,764.08

Finding the Fourth Proportional to 14,507,188.44, 20,019,129.24 and 7,979,764.08

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Solution

The fourth proportional to 14,507,188.44, 20,019,129.24 and 7,979,764.08 is: 11,011,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,188.44 : 20,019,129.24 = 7,979,764.08 : x
  2. Step 2: Convert to fraction form
    14,507,188.44/20,019,129.24 = 7,979,764.08/x
  3. Step 3: Cross multiply
    14,507,188.44x = 20,019,129.24 × 7,979,764.08
  4. Step 4: Simplify right side
    14,507,188.44x = 159,747,928,422,229.69
  5. Step 5: Solve for x
    x = 159,747,928,422,229.69/14,507,188.44
  6. Step 6: Final answer
    x = 11,011,639.44

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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.