Home / 15,326,460.96-21,149,434.44-8,450,796.48

Finding the Fourth Proportional to 15,326,460.96, 21,149,434.44 and 8,450,796.48

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Solution

The fourth proportional to 15,326,460.96, 21,149,434.44 and 8,450,796.48 is: 11,661,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,460.96 : 21,149,434.44 = 8,450,796.48 : x
  2. Step 2: Convert to fraction form
    15,326,460.96/21,149,434.44 = 8,450,796.48/x
  3. Step 3: Cross multiply
    15,326,460.96x = 21,149,434.44 × 8,450,796.48
  4. Step 4: Simplify right side
    15,326,460.96x = 178,729,566,119,542.78
  5. Step 5: Solve for x
    x = 178,729,566,119,542.78/15,326,460.96
  6. Step 6: Final answer
    x = 11,661,502.72

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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.