Home / 40,679,688.40-60,969,766.20-17,936,443.60

Finding the Fourth Proportional to 40,679,688.40, 60,969,766.20 and 17,936,443.60

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Solution

The fourth proportional to 40,679,688.40, 60,969,766.20 and 17,936,443.60 is: 26,882,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679,688.40 : 60,969,766.20 = 17,936,443.60 : x
  2. Step 2: Convert to fraction form
    40,679,688.40/60,969,766.20 = 17,936,443.60/x
  3. Step 3: Cross multiply
    40,679,688.40x = 60,969,766.20 × 17,936,443.60
  4. Step 4: Simplify right side
    40,679,688.40x = 1,093,580,772,751,486.50
  5. Step 5: Solve for x
    x = 1,093,580,772,751,486.50/40,679,688.40
  6. Step 6: Final answer
    x = 26,882,722.45

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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.