Home / 9,898,921.20-13,662,427.05-6,455,183.52

Finding the Fourth Proportional to 9,898,921.20, 13,662,427.05 and 6,455,183.52

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Solution

The fourth proportional to 9,898,921.20, 13,662,427.05 and 6,455,183.52 is: 8,909,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898,921.20 : 13,662,427.05 = 6,455,183.52 : x
  2. Step 2: Convert to fraction form
    9,898,921.20/13,662,427.05 = 6,455,183.52/x
  3. Step 3: Cross multiply
    9,898,921.20x = 13,662,427.05 × 6,455,183.52
  4. Step 4: Simplify right side
    9,898,921.20x = 88,193,473,936,362.22
  5. Step 5: Solve for x
    x = 88,193,473,936,362.22/9,898,921.20
  6. Step 6: Final answer
    x = 8,909,402.57

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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.