Home / 40,054,672.80-60,055,765.20-15,778,972.80

Finding the Fourth Proportional to 40,054,672.80, 60,055,765.20 and 15,778,972.80

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Solution

The fourth proportional to 40,054,672.80, 60,055,765.20 and 15,778,972.80 is: 23,658,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054,672.80 : 60,055,765.20 = 15,778,972.80 : x
  2. Step 2: Convert to fraction form
    40,054,672.80/60,055,765.20 = 15,778,972.80/x
  3. Step 3: Cross multiply
    40,054,672.80x = 60,055,765.20 × 15,778,972.80
  4. Step 4: Simplify right side
    40,054,672.80x = 947,618,285,573,986.62
  5. Step 5: Solve for x
    x = 947,618,285,573,986.62/40,054,672.80
  6. Step 6: Final answer
    x = 23,658,120.75

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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.