Home / 51,084,377.91-76,581,008.87-18,728,740.80

Finding the Fourth Proportional to 51,084,377.91, 76,581,008.87 and 18,728,740.80

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Solution

The fourth proportional to 51,084,377.91, 76,581,008.87 and 18,728,740.80 is: 28,076,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084,377.91 : 76,581,008.87 = 18,728,740.80 : x
  2. Step 2: Convert to fraction form
    51,084,377.91/76,581,008.87 = 18,728,740.80/x
  3. Step 3: Cross multiply
    51,084,377.91x = 76,581,008.87 × 18,728,740.80
  4. Step 4: Simplify right side
    51,084,377.91x = 1,434,265,865,235,087.25
  5. Step 5: Solve for x
    x = 1,434,265,865,235,087.25/51,084,377.91
  6. Step 6: Final answer
    x = 28,076,408.56

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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.