Home / 12,190,816.16-16,824,082.12-6,758,308.16

Finding the Fourth Proportional to 12,190,816.16, 16,824,082.12 and 6,758,308.16

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Solution

The fourth proportional to 12,190,816.16, 16,824,082.12 and 6,758,308.16 is: 9,326,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,816.16 : 16,824,082.12 = 6,758,308.16 : x
  2. Step 2: Convert to fraction form
    12,190,816.16/16,824,082.12 = 6,758,308.16/x
  3. Step 3: Cross multiply
    12,190,816.16x = 16,824,082.12 × 6,758,308.16
  4. Step 4: Simplify right side
    12,190,816.16x = 113,702,331,476,106.11
  5. Step 5: Solve for x
    x = 113,702,331,476,106.11/12,190,816.16
  6. Step 6: Final answer
    x = 9,326,884.27

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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.