Home / 8,520,843.56-11,758,857.54-4,653,478.76

Finding the Fourth Proportional to 8,520,843.56, 11,758,857.54 and 4,653,478.76

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Solution

The fourth proportional to 8,520,843.56, 11,758,857.54 and 4,653,478.76 is: 6,421,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,843.56 : 11,758,857.54 = 4,653,478.76 : x
  2. Step 2: Convert to fraction form
    8,520,843.56/11,758,857.54 = 4,653,478.76/x
  3. Step 3: Cross multiply
    8,520,843.56x = 11,758,857.54 × 4,653,478.76
  4. Step 4: Simplify right side
    8,520,843.56x = 54,719,593,804,255.84
  5. Step 5: Solve for x
    x = 54,719,593,804,255.84/8,520,843.56
  6. Step 6: Final answer
    x = 6,421,851.71

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Double scale
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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.