Home / 15,724,619.37-21,699,767.23-9,110,109.56

Finding the Fourth Proportional to 15,724,619.37, 21,699,767.23 and 9,110,109.56

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Solution

The fourth proportional to 15,724,619.37, 21,699,767.23 and 9,110,109.56 is: 12,571,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,619.37 : 21,699,767.23 = 9,110,109.56 : x
  2. Step 2: Convert to fraction form
    15,724,619.37/21,699,767.23 = 9,110,109.56/x
  3. Step 3: Cross multiply
    15,724,619.37x = 21,699,767.23 × 9,110,109.56
  4. Step 4: Simplify right side
    15,724,619.37x = 197,687,256,760,523.59
  5. Step 5: Solve for x
    x = 197,687,256,760,523.59/15,724,619.37
  6. Step 6: Final answer
    x = 12,571,830.97

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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.