Home / 7,138,530.92-10,685,207.06-4,576,321.64

Finding the Fourth Proportional to 7,138,530.92, 10,685,207.06 and 4,576,321.64

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Solution

The fourth proportional to 7,138,530.92, 10,685,207.06 and 4,576,321.64 is: 6,850,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,530.92 : 10,685,207.06 = 4,576,321.64 : x
  2. Step 2: Convert to fraction form
    7,138,530.92/10,685,207.06 = 4,576,321.64/x
  3. Step 3: Cross multiply
    7,138,530.92x = 10,685,207.06 × 4,576,321.64
  4. Step 4: Simplify right side
    7,138,530.92x = 48,898,944,296,558.77
  5. Step 5: Solve for x
    x = 48,898,944,296,558.77/7,138,530.92
  6. Step 6: Final answer
    x = 6,850,001.05

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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.