Home / 18,441,426.40-27,661,880.40-8,344,031.20

Finding the Fourth Proportional to 18,441,426.40, 27,661,880.40 and 8,344,031.20

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Solution

The fourth proportional to 18,441,426.40, 27,661,880.40 and 8,344,031.20 is: 12,515,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,426.40 : 27,661,880.40 = 8,344,031.20 : x
  2. Step 2: Convert to fraction form
    18,441,426.40/27,661,880.40 = 8,344,031.20/x
  3. Step 3: Cross multiply
    18,441,426.40x = 27,661,880.40 × 8,344,031.20
  4. Step 4: Simplify right side
    18,441,426.40x = 230,811,593,108,268.47
  5. Step 5: Solve for x
    x = 230,811,593,108,268.47/18,441,426.40
  6. Step 6: Final answer
    x = 12,515,929.52

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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.