Home / 6,430,601.55-8,861,997.30-6,312,422.75

Finding the Fourth Proportional to 6,430,601.55, 8,861,997.30 and 6,312,422.75

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Solution

The fourth proportional to 6,430,601.55, 8,861,997.30 and 6,312,422.75 is: 8,699,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,601.55 : 8,861,997.30 = 6,312,422.75 : x
  2. Step 2: Convert to fraction form
    6,430,601.55/8,861,997.30 = 6,312,422.75/x
  3. Step 3: Cross multiply
    6,430,601.55x = 8,861,997.30 × 6,312,422.75
  4. Step 4: Simplify right side
    6,430,601.55x = 55,940,673,366,958.58
  5. Step 5: Solve for x
    x = 55,940,673,366,958.58/6,430,601.55
  6. Step 6: Final answer
    x = 8,699,135.37

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1.5x scale

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.