Home / 18,039,543.12-27,056,434.23-5,257,057.86

Finding the Fourth Proportional to 18,039,543.12, 27,056,434.23 and 5,257,057.86

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Solution

The fourth proportional to 18,039,543.12, 27,056,434.23 and 5,257,057.86 is: 7,884,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,543.12 : 27,056,434.23 = 5,257,057.86 : x
  2. Step 2: Convert to fraction form
    18,039,543.12/27,056,434.23 = 5,257,057.86/x
  3. Step 3: Cross multiply
    18,039,543.12x = 27,056,434.23 × 5,257,057.86
  4. Step 4: Simplify right side
    18,039,543.12x = 142,237,240,232,394.56
  5. Step 5: Solve for x
    x = 142,237,240,232,394.56/18,039,543.12
  6. Step 6: Final answer
    x = 7,884,747.37

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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.