Home / 6,453,151.25-8,886,142.17-6,309,939.20

Finding the Fourth Proportional to 6,453,151.25, 8,886,142.17 and 6,309,939.20

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Solution

The fourth proportional to 6,453,151.25, 8,886,142.17 and 6,309,939.20 is: 8,688,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,151.25 : 8,886,142.17 = 6,309,939.20 : x
  2. Step 2: Convert to fraction form
    6,453,151.25/8,886,142.17 = 6,309,939.20/x
  3. Step 3: Cross multiply
    6,453,151.25x = 8,886,142.17 × 6,309,939.20
  4. Step 4: Simplify right side
    6,453,151.25x = 56,071,016,770,825.35
  5. Step 5: Solve for x
    x = 56,071,016,770,825.35/6,453,151.25
  6. Step 6: Final answer
    x = 8,688,935.78

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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.