Home / 20,558,551.65-30,837,896.73-5,205,833.97

Finding the Fourth Proportional to 20,558,551.65, 30,837,896.73 and 5,205,833.97

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Solution

The fourth proportional to 20,558,551.65, 30,837,896.73 and 5,205,833.97 is: 7,808,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558,551.65 : 30,837,896.73 = 5,205,833.97 : x
  2. Step 2: Convert to fraction form
    20,558,551.65/30,837,896.73 = 5,205,833.97/x
  3. Step 3: Cross multiply
    20,558,551.65x = 30,837,896.73 × 5,205,833.97
  4. Step 4: Simplify right side
    20,558,551.65x = 160,536,970,360,385.91
  5. Step 5: Solve for x
    x = 160,536,970,360,385.91/20,558,551.65
  6. Step 6: Final answer
    x = 7,808,768.49

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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.