Home / 18,627,541.68-27,941,319.72-8,380,434.72

Finding the Fourth Proportional to 18,627,541.68, 27,941,319.72 and 8,380,434.72

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Solution

The fourth proportional to 18,627,541.68, 27,941,319.72 and 8,380,434.72 is: 12,570,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,541.68 : 27,941,319.72 = 8,380,434.72 : x
  2. Step 2: Convert to fraction form
    18,627,541.68/27,941,319.72 = 8,380,434.72/x
  3. Step 3: Cross multiply
    18,627,541.68x = 27,941,319.72 × 8,380,434.72
  4. Step 4: Simplify right side
    18,627,541.68x = 234,160,405,904,108.66
  5. Step 5: Solve for x
    x = 234,160,405,904,108.66/18,627,541.68
  6. Step 6: Final answer
    x = 12,570,655.32

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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.