Home / 9,161,620.31-12,644,157.70-5,294,141.47

Finding the Fourth Proportional to 9,161,620.31, 12,644,157.70 and 5,294,141.47

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Solution

The fourth proportional to 9,161,620.31, 12,644,157.70 and 5,294,141.47 is: 7,306,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,620.31 : 12,644,157.70 = 5,294,141.47 : x
  2. Step 2: Convert to fraction form
    9,161,620.31/12,644,157.70 = 5,294,141.47/x
  3. Step 3: Cross multiply
    9,161,620.31x = 12,644,157.70 × 5,294,141.47
  4. Step 4: Simplify right side
    9,161,620.31x = 66,939,959,614,414.78
  5. Step 5: Solve for x
    x = 66,939,959,614,414.78/9,161,620.31
  6. Step 6: Final answer
    x = 7,306,563.40

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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.