Home / 8,101,879.80-11,162,649.06-5,343,700.20

Finding the Fourth Proportional to 8,101,879.80, 11,162,649.06 and 5,343,700.20

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Solution

The fourth proportional to 8,101,879.80, 11,162,649.06 and 5,343,700.20 is: 7,362,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,879.80 : 11,162,649.06 = 5,343,700.20 : x
  2. Step 2: Convert to fraction form
    8,101,879.80/11,162,649.06 = 5,343,700.20/x
  3. Step 3: Cross multiply
    8,101,879.80x = 11,162,649.06 × 5,343,700.20
  4. Step 4: Simplify right side
    8,101,879.80x = 59,649,850,014,451.82
  5. Step 5: Solve for x
    x = 59,649,850,014,451.82/8,101,879.80
  6. Step 6: Final answer
    x = 7,362,470.38

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Double scale
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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.