Home / 9,783,221.87-13,502,091.74-5,915,770.71

Finding the Fourth Proportional to 9,783,221.87, 13,502,091.74 and 5,915,770.71

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Solution

The fourth proportional to 9,783,221.87, 13,502,091.74 and 5,915,770.71 is: 8,164,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783,221.87 : 13,502,091.74 = 5,915,770.71 : x
  2. Step 2: Convert to fraction form
    9,783,221.87/13,502,091.74 = 5,915,770.71/x
  3. Step 3: Cross multiply
    9,783,221.87x = 13,502,091.74 × 5,915,770.71
  4. Step 4: Simplify right side
    9,783,221.87x = 79,875,278,839,224.94
  5. Step 5: Solve for x
    x = 79,875,278,839,224.94/9,783,221.87
  6. Step 6: Final answer
    x = 8,164,516.75

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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.