Home / 18,181,492.17-25,090,989.11-9,922,086.47

Finding the Fourth Proportional to 18,181,492.17, 25,090,989.11 and 9,922,086.47

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Solution

The fourth proportional to 18,181,492.17, 25,090,989.11 and 9,922,086.47 is: 13,692,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,492.17 : 25,090,989.11 = 9,922,086.47 : x
  2. Step 2: Convert to fraction form
    18,181,492.17/25,090,989.11 = 9,922,086.47/x
  3. Step 3: Cross multiply
    18,181,492.17x = 25,090,989.11 × 9,922,086.47
  4. Step 4: Simplify right side
    18,181,492.17x = 248,954,963,392,182.97
  5. Step 5: Solve for x
    x = 248,954,963,392,182.97/18,181,492.17
  6. Step 6: Final answer
    x = 13,692,768.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.