Home / 8,130,064.48-11,216,288.64-4,691,641.12

Finding the Fourth Proportional to 8,130,064.48, 11,216,288.64 and 4,691,641.12

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Solution

The fourth proportional to 8,130,064.48, 11,216,288.64 and 4,691,641.12 is: 6,472,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,064.48 : 11,216,288.64 = 4,691,641.12 : x
  2. Step 2: Convert to fraction form
    8,130,064.48/11,216,288.64 = 4,691,641.12/x
  3. Step 3: Cross multiply
    8,130,064.48x = 11,216,288.64 × 4,691,641.12
  4. Step 4: Simplify right side
    8,130,064.48x = 52,622,800,997,212.88
  5. Step 5: Solve for x
    x = 52,622,800,997,212.88/8,130,064.48
  6. Step 6: Final answer
    x = 6,472,617.91

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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.