Home / 18,173,143.70-27,259,715.55-6,658,588.70

Finding the Fourth Proportional to 18,173,143.70, 27,259,715.55 and 6,658,588.70

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Solution

The fourth proportional to 18,173,143.70, 27,259,715.55 and 6,658,588.70 is: 9,987,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,143.70 : 27,259,715.55 = 6,658,588.70 : x
  2. Step 2: Convert to fraction form
    18,173,143.70/27,259,715.55 = 6,658,588.70/x
  3. Step 3: Cross multiply
    18,173,143.70x = 27,259,715.55 × 6,658,588.70
  4. Step 4: Simplify right side
    18,173,143.70x = 181,511,233,926,444.28
  5. Step 5: Solve for x
    x = 181,511,233,926,444.28/18,173,143.70
  6. Step 6: Final answer
    x = 9,987,883.05

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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.