Home / 9,339,536.96-12,889,138.59-5,153,201.38

Finding the Fourth Proportional to 9,339,536.96, 12,889,138.59 and 5,153,201.38

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Solution

The fourth proportional to 9,339,536.96, 12,889,138.59 and 5,153,201.38 is: 7,111,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,536.96 : 12,889,138.59 = 5,153,201.38 : x
  2. Step 2: Convert to fraction form
    9,339,536.96/12,889,138.59 = 5,153,201.38/x
  3. Step 3: Cross multiply
    9,339,536.96x = 12,889,138.59 × 5,153,201.38
  4. Step 4: Simplify right side
    9,339,536.96x = 66,420,326,678,787.56
  5. Step 5: Solve for x
    x = 66,420,326,678,787.56/9,339,536.96
  6. Step 6: Final answer
    x = 7,111,736.59

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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.