Home / 12,170,301.32-16,790,093.55-7,272,728.12

Finding the Fourth Proportional to 12,170,301.32, 16,790,093.55 and 7,272,728.12

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Solution

The fourth proportional to 12,170,301.32, 16,790,093.55 and 7,272,728.12 is: 10,033,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,301.32 : 16,790,093.55 = 7,272,728.12 : x
  2. Step 2: Convert to fraction form
    12,170,301.32/16,790,093.55 = 7,272,728.12/x
  3. Step 3: Cross multiply
    12,170,301.32x = 16,790,093.55 × 7,272,728.12
  4. Step 4: Simplify right side
    12,170,301.32x = 122,109,785,498,515.64
  5. Step 5: Solve for x
    x = 122,109,785,498,515.64/12,170,301.32
  6. Step 6: Final answer
    x = 10,033,423.35

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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.