Home / 9,721,402.56-13,415,919.26-5,591,427.11

Finding the Fourth Proportional to 9,721,402.56, 13,415,919.26 and 5,591,427.11

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Solution

The fourth proportional to 9,721,402.56, 13,415,919.26 and 5,591,427.11 is: 7,716,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,402.56 : 13,415,919.26 = 5,591,427.11 : x
  2. Step 2: Convert to fraction form
    9,721,402.56/13,415,919.26 = 5,591,427.11/x
  3. Step 3: Cross multiply
    9,721,402.56x = 13,415,919.26 × 5,591,427.11
  4. Step 4: Simplify right side
    9,721,402.56x = 75,014,134,560,898.42
  5. Step 5: Solve for x
    x = 75,014,134,560,898.42/9,721,402.56
  6. Step 6: Final answer
    x = 7,716,390.11

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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.