Home / 12,763,146.43-19,128,754.47-6,375,181.87

Finding the Fourth Proportional to 12,763,146.43, 19,128,754.47 and 6,375,181.87

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Solution

The fourth proportional to 12,763,146.43, 19,128,754.47 and 6,375,181.87 is: 9,554,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,146.43 : 19,128,754.47 = 6,375,181.87 : x
  2. Step 2: Convert to fraction form
    12,763,146.43/19,128,754.47 = 6,375,181.87/x
  3. Step 3: Cross multiply
    12,763,146.43x = 19,128,754.47 × 6,375,181.87
  4. Step 4: Simplify right side
    12,763,146.43x = 121,949,288,597,181.69
  5. Step 5: Solve for x
    x = 121,949,288,597,181.69/12,763,146.43
  6. Step 6: Final answer
    x = 9,554,798.21

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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.