Home / 6,453,142.25-8,886,129.77-6,309,930.20

Finding the Fourth Proportional to 6,453,142.25, 8,886,129.77 and 6,309,930.20

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Solution

The fourth proportional to 6,453,142.25, 8,886,129.77 and 6,309,930.20 is: 8,688,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,142.25 : 8,886,129.77 = 6,309,930.20 : x
  2. Step 2: Convert to fraction form
    6,453,142.25/8,886,129.77 = 6,309,930.20/x
  3. Step 3: Cross multiply
    6,453,142.25x = 8,886,129.77 × 6,309,930.20
  4. Step 4: Simplify right side
    6,453,142.25x = 56,070,858,568,186.24
  5. Step 5: Solve for x
    x = 56,070,858,568,186.24/6,453,142.25
  6. Step 6: Final answer
    x = 8,688,923.39

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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.