Home / 14,332,039.75-19,777,919.61-7,805,783.89

Finding the Fourth Proportional to 14,332,039.75, 19,777,919.61 and 7,805,783.89

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Solution

The fourth proportional to 14,332,039.75, 19,777,919.61 and 7,805,783.89 is: 10,771,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,039.75 : 19,777,919.61 = 7,805,783.89 : x
  2. Step 2: Convert to fraction form
    14,332,039.75/19,777,919.61 = 7,805,783.89/x
  3. Step 3: Cross multiply
    14,332,039.75x = 19,777,919.61 × 7,805,783.89
  4. Step 4: Simplify right side
    14,332,039.75x = 154,382,166,269,453.06
  5. Step 5: Solve for x
    x = 154,382,166,269,453.06/14,332,039.75
  6. Step 6: Final answer
    x = 10,771,820.97

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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.