Home / 8,629,958-11,909,627.90-4,709,928.16

Finding the Fourth Proportional to 8,629,958, 11,909,627.90 and 4,709,928.16

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Solution

The fourth proportional to 8,629,958, 11,909,627.90 and 4,709,928.16 is: 6,499,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,958 : 11,909,627.90 = 4,709,928.16 : x
  2. Step 2: Convert to fraction form
    8,629,958/11,909,627.90 = 4,709,928.16/x
  3. Step 3: Cross multiply
    8,629,958x = 11,909,627.90 × 4,709,928.16
  4. Step 4: Simplify right side
    8,629,958x = 56,093,491,821,331.66
  5. Step 5: Solve for x
    x = 56,093,491,821,331.66/8,629,958
  6. Step 6: Final answer
    x = 6,499,856.87

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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.