Home / 18,169,040.48-27,257,611.61-5,214,181.25

Finding the Fourth Proportional to 18,169,040.48, 27,257,611.61 and 5,214,181.25

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Solution

The fourth proportional to 18,169,040.48, 27,257,611.61 and 5,214,181.25 is: 7,822,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,040.48 : 27,257,611.61 = 5,214,181.25 : x
  2. Step 2: Convert to fraction form
    18,169,040.48/27,257,611.61 = 5,214,181.25/x
  3. Step 3: Cross multiply
    18,169,040.48x = 27,257,611.61 × 5,214,181.25
  4. Step 4: Simplify right side
    18,169,040.48x = 142,126,127,350,573.41
  5. Step 5: Solve for x
    x = 142,126,127,350,573.41/18,169,040.48
  6. Step 6: Final answer
    x = 7,822,434.40

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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.