Home / 14,617,785.20-20,171,889.24-8,091,659.12

Finding the Fourth Proportional to 14,617,785.20, 20,171,889.24 and 8,091,659.12

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Solution

The fourth proportional to 14,617,785.20, 20,171,889.24 and 8,091,659.12 is: 11,166,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617,785.20 : 20,171,889.24 = 8,091,659.12 : x
  2. Step 2: Convert to fraction form
    14,617,785.20/20,171,889.24 = 8,091,659.12/x
  3. Step 3: Cross multiply
    14,617,785.20x = 20,171,889.24 × 8,091,659.12
  4. Step 4: Simplify right side
    14,617,785.20x = 163,224,051,536,475.84
  5. Step 5: Solve for x
    x = 163,224,051,536,475.84/14,617,785.20
  6. Step 6: Final answer
    x = 11,166,127.38

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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.