Home / 9,221,898.57-12,726,422.31-5,091,918.57

Finding the Fourth Proportional to 9,221,898.57, 12,726,422.31 and 5,091,918.57

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Solution

The fourth proportional to 9,221,898.57, 12,726,422.31 and 5,091,918.57 is: 7,026,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,898.57 : 12,726,422.31 = 5,091,918.57 : x
  2. Step 2: Convert to fraction form
    9,221,898.57/12,726,422.31 = 5,091,918.57/x
  3. Step 3: Cross multiply
    9,221,898.57x = 12,726,422.31 × 5,091,918.57
  4. Step 4: Simplify right side
    9,221,898.57x = 64,801,906,089,951.30
  5. Step 5: Solve for x
    x = 64,801,906,089,951.30/9,221,898.57
  6. Step 6: Final answer
    x = 7,026,959.32

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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.