Home / 18,521,695.80-27,782,543.70-18,167,401.80

Finding the Fourth Proportional to 18,521,695.80, 27,782,543.70 and 18,167,401.80

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Solution

The fourth proportional to 18,521,695.80, 27,782,543.70 and 18,167,401.80 is: 27,251,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,695.80 : 27,782,543.70 = 18,167,401.80 : x
  2. Step 2: Convert to fraction form
    18,521,695.80/27,782,543.70 = 18,167,401.80/x
  3. Step 3: Cross multiply
    18,521,695.80x = 27,782,543.70 × 18,167,401.80
  4. Step 4: Simplify right side
    18,521,695.80x = 504,736,634,423,958.69
  5. Step 5: Solve for x
    x = 504,736,634,423,958.69/18,521,695.80
  6. Step 6: Final answer
    x = 27,251,102.70

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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.