Home / 18,141,902.42-25,035,827.49-9,993,140.42

Finding the Fourth Proportional to 18,141,902.42, 25,035,827.49 and 9,993,140.42

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Solution

The fourth proportional to 18,141,902.42, 25,035,827.49 and 9,993,140.42 is: 13,790,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,902.42 : 25,035,827.49 = 9,993,140.42 : x
  2. Step 2: Convert to fraction form
    18,141,902.42/25,035,827.49 = 9,993,140.42/x
  3. Step 3: Cross multiply
    18,141,902.42x = 25,035,827.49 × 9,993,140.42
  4. Step 4: Simplify right side
    18,141,902.42x = 250,186,539,513,286.97
  5. Step 5: Solve for x
    x = 250,186,539,513,286.97/18,141,902.42
  6. Step 6: Final answer
    x = 13,790,534.96

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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.