Home / 12,190,815.16-16,824,080.74-6,758,307.16

Finding the Fourth Proportional to 12,190,815.16, 16,824,080.74 and 6,758,307.16

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Solution

The fourth proportional to 12,190,815.16, 16,824,080.74 and 6,758,307.16 is: 9,326,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,815.16 : 16,824,080.74 = 6,758,307.16 : x
  2. Step 2: Convert to fraction form
    12,190,815.16/16,824,080.74 = 6,758,307.16/x
  3. Step 3: Cross multiply
    12,190,815.16x = 16,824,080.74 × 6,758,307.16
  4. Step 4: Simplify right side
    12,190,815.16x = 113,702,305,325,560.09
  5. Step 5: Solve for x
    x = 113,702,305,325,560.09/12,190,815.16
  6. Step 6: Final answer
    x = 9,326,882.89

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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.