Home / 9,719,874.88-13,413,122.56-5,309,529.67

Finding the Fourth Proportional to 9,719,874.88, 13,413,122.56 and 5,309,529.67

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Solution

The fourth proportional to 9,719,874.88, 13,413,122.56 and 5,309,529.67 is: 7,326,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719,874.88 : 13,413,122.56 = 5,309,529.67 : x
  2. Step 2: Convert to fraction form
    9,719,874.88/13,413,122.56 = 5,309,529.67/x
  3. Step 3: Cross multiply
    9,719,874.88x = 13,413,122.56 × 5,309,529.67
  4. Step 4: Simplify right side
    9,719,874.88x = 71,217,372,275,724.47
  5. Step 5: Solve for x
    x = 71,217,372,275,724.47/9,719,874.88
  6. Step 6: Final answer
    x = 7,326,984.47

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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.