Home / 12,800,736.64-17,665,014.72-6,999,522.08

Finding the Fourth Proportional to 12,800,736.64, 17,665,014.72 and 6,999,522.08

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Solution

The fourth proportional to 12,800,736.64, 17,665,014.72 and 6,999,522.08 is: 9,659,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800,736.64 : 17,665,014.72 = 6,999,522.08 : x
  2. Step 2: Convert to fraction form
    12,800,736.64/17,665,014.72 = 6,999,522.08/x
  3. Step 3: Cross multiply
    12,800,736.64x = 17,665,014.72 × 6,999,522.08
  4. Step 4: Simplify right side
    12,800,736.64x = 123,646,660,576,165.02
  5. Step 5: Solve for x
    x = 123,646,660,576,165.02/12,800,736.64
  6. Step 6: Final answer
    x = 9,659,339.46

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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.