Home / 12,085,891.60-18,128,837.40-4,107,715.60

Finding the Fourth Proportional to 12,085,891.60, 18,128,837.40 and 4,107,715.60

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Solution

The fourth proportional to 12,085,891.60, 18,128,837.40 and 4,107,715.60 is: 6,161,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,891.60 : 18,128,837.40 = 4,107,715.60 : x
  2. Step 2: Convert to fraction form
    12,085,891.60/18,128,837.40 = 4,107,715.60/x
  3. Step 3: Cross multiply
    12,085,891.60x = 18,128,837.40 × 4,107,715.60
  4. Step 4: Simplify right side
    12,085,891.60x = 74,468,108,197,843.44
  5. Step 5: Solve for x
    x = 74,468,108,197,843.44/12,085,891.60
  6. Step 6: Final answer
    x = 6,161,573.40

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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.