Home / 18,724,426.40-28,039,400.40-14,945,290.40

Finding the Fourth Proportional to 18,724,426.40, 28,039,400.40 and 14,945,290.40

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Solution

The fourth proportional to 18,724,426.40, 28,039,400.40 and 14,945,290.40 is: 22,380,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,426.40 : 28,039,400.40 = 14,945,290.40 : x
  2. Step 2: Convert to fraction form
    18,724,426.40/28,039,400.40 = 14,945,290.40/x
  3. Step 3: Cross multiply
    18,724,426.40x = 28,039,400.40 × 14,945,290.40
  4. Step 4: Simplify right side
    18,724,426.40x = 419,056,981,619,876.12
  5. Step 5: Solve for x
    x = 419,056,981,619,876.12/18,724,426.40
  6. Step 6: Final answer
    x = 22,380,230.65

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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.