Home / 13,181,396.17-18,192,236.43-7,380,551.74

Finding the Fourth Proportional to 13,181,396.17, 18,192,236.43 and 7,380,551.74

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Solution

The fourth proportional to 13,181,396.17, 18,192,236.43 and 7,380,551.74 is: 10,186,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,396.17 : 18,192,236.43 = 7,380,551.74 : x
  2. Step 2: Convert to fraction form
    13,181,396.17/18,192,236.43 = 7,380,551.74/x
  3. Step 3: Cross multiply
    13,181,396.17x = 18,192,236.43 × 7,380,551.74
  4. Step 4: Simplify right side
    13,181,396.17x = 134,268,742,237,927.89
  5. Step 5: Solve for x
    x = 134,268,742,237,927.89/13,181,396.17
  6. Step 6: Final answer
    x = 10,186,230.69

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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.