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Finding the Fourth Proportional to 8,714,605.88, 12,025,914.65 and 4,740,745.32

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Solution

The fourth proportional to 8,714,605.88, 12,025,914.65 and 4,740,745.32 is: 6,542,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714,605.88 : 12,025,914.65 = 4,740,745.32 : x
  2. Step 2: Convert to fraction form
    8,714,605.88/12,025,914.65 = 4,740,745.32/x
  3. Step 3: Cross multiply
    8,714,605.88x = 12,025,914.65 × 4,740,745.32
  4. Step 4: Simplify right side
    8,714,605.88x = 57,011,798,572,003.21
  5. Step 5: Solve for x
    x = 57,011,798,572,003.21/8,714,605.88
  6. Step 6: Final answer
    x = 6,542,097.19

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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.