Home / 40,242,220.62-60,322,968.63-18,691,957.59

Finding the Fourth Proportional to 40,242,220.62, 60,322,968.63 and 18,691,957.59

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Solution

The fourth proportional to 40,242,220.62, 60,322,968.63 and 18,691,957.59 is: 28,019,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242,220.62 : 60,322,968.63 = 18,691,957.59 : x
  2. Step 2: Convert to fraction form
    40,242,220.62/60,322,968.63 = 18,691,957.59/x
  3. Step 3: Cross multiply
    40,242,220.62x = 60,322,968.63 × 18,691,957.59
  4. Step 4: Simplify right side
    40,242,220.62x = 1,127,554,371,334,860.50
  5. Step 5: Solve for x
    x = 1,127,554,371,334,860.50/40,242,220.62
  6. Step 6: Final answer
    x = 28,019,188.65

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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.