Home / 15,557,785.65-21,469,181.38-8,588,313.52

Finding the Fourth Proportional to 15,557,785.65, 21,469,181.38 and 8,588,313.52

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Solution

The fourth proportional to 15,557,785.65, 21,469,181.38 and 8,588,313.52 is: 11,851,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,785.65 : 21,469,181.38 = 8,588,313.52 : x
  2. Step 2: Convert to fraction form
    15,557,785.65/21,469,181.38 = 8,588,313.52/x
  3. Step 3: Cross multiply
    15,557,785.65x = 21,469,181.38 × 8,588,313.52
  4. Step 4: Simplify right side
    15,557,785.65x = 184,384,060,634,042.53
  5. Step 5: Solve for x
    x = 184,384,060,634,042.53/15,557,785.65
  6. Step 6: Final answer
    x = 11,851,561.96

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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.