Home / 12,790,913.64-17,652,467.46-7,284,521.64

Finding the Fourth Proportional to 12,790,913.64, 17,652,467.46 and 7,284,521.64

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Solution

The fourth proportional to 12,790,913.64, 17,652,467.46 and 7,284,521.64 is: 10,053,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,913.64 : 17,652,467.46 = 7,284,521.64 : x
  2. Step 2: Convert to fraction form
    12,790,913.64/17,652,467.46 = 7,284,521.64/x
  3. Step 3: Cross multiply
    12,790,913.64x = 17,652,467.46 × 7,284,521.64
  4. Step 4: Simplify right side
    12,790,913.64x = 128,589,781,211,765.83
  5. Step 5: Solve for x
    x = 128,589,781,211,765.83/12,790,913.64
  6. Step 6: Final answer
    x = 10,053,213.15

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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.