Home / 12,684,887.64-17,505,145.05-6,883,669.37

Finding the Fourth Proportional to 12,684,887.64, 17,505,145.05 and 6,883,669.37

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Solution

The fourth proportional to 12,684,887.64, 17,505,145.05 and 6,883,669.37 is: 9,499,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,887.64 : 17,505,145.05 = 6,883,669.37 : x
  2. Step 2: Convert to fraction form
    12,684,887.64/17,505,145.05 = 6,883,669.37/x
  3. Step 3: Cross multiply
    12,684,887.64x = 17,505,145.05 × 6,883,669.37
  4. Step 4: Simplify right side
    12,684,887.64x = 120,499,630,710,566.41
  5. Step 5: Solve for x
    x = 120,499,630,710,566.41/12,684,887.64
  6. Step 6: Final answer
    x = 9,499,463.78

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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.