Home / 39,967,216.80-59,936,828.40-20,791,600.80

Finding the Fourth Proportional to 39,967,216.80, 59,936,828.40 and 20,791,600.80

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Solution

The fourth proportional to 39,967,216.80, 59,936,828.40 and 20,791,600.80 is: 31,180,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967,216.80 : 59,936,828.40 = 20,791,600.80 : x
  2. Step 2: Convert to fraction form
    39,967,216.80/59,936,828.40 = 20,791,600.80/x
  3. Step 3: Cross multiply
    39,967,216.80x = 59,936,828.40 × 20,791,600.80
  4. Step 4: Simplify right side
    39,967,216.80x = 1,246,182,609,310,902.75
  5. Step 5: Solve for x
    x = 1,246,182,609,310,902.75/39,967,216.80
  6. Step 6: Final answer
    x = 31,180,119.84

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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.