Home / 17,218,811.60-23,762,410.22-9,378,621.17

Finding the Fourth Proportional to 17,218,811.60, 23,762,410.22 and 9,378,621.17

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Solution

The fourth proportional to 17,218,811.60, 23,762,410.22 and 9,378,621.17 is: 12,942,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218,811.60 : 23,762,410.22 = 9,378,621.17 : x
  2. Step 2: Convert to fraction form
    17,218,811.60/23,762,410.22 = 9,378,621.17/x
  3. Step 3: Cross multiply
    17,218,811.60x = 23,762,410.22 × 9,378,621.17
  4. Step 4: Simplify right side
    17,218,811.60x = 222,858,643,539,516.34
  5. Step 5: Solve for x
    x = 222,858,643,539,516.34/17,218,811.60
  6. Step 6: Final answer
    x = 12,942,742.43

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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.