Home / 19,789,023.54-29,683,112.76-5,412,091.38

Finding the Fourth Proportional to 19,789,023.54, 29,683,112.76 and 5,412,091.38

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Solution

The fourth proportional to 19,789,023.54, 29,683,112.76 and 5,412,091.38 is: 8,118,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,023.54 : 29,683,112.76 = 5,412,091.38 : x
  2. Step 2: Convert to fraction form
    19,789,023.54/29,683,112.76 = 5,412,091.38/x
  3. Step 3: Cross multiply
    19,789,023.54x = 29,683,112.76 × 5,412,091.38
  4. Step 4: Simplify right side
    19,789,023.54x = 160,647,718,699,964
  5. Step 5: Solve for x
    x = 160,647,718,699,964/19,789,023.54
  6. Step 6: Final answer
    x = 8,118,021.51

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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.