Home / 15,257,457.32-21,055,298.82-8,382,382.16

Finding the Fourth Proportional to 15,257,457.32, 21,055,298.82 and 8,382,382.16

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Solution

The fourth proportional to 15,257,457.32, 21,055,298.82 and 8,382,382.16 is: 11,567,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,457.32 : 21,055,298.82 = 8,382,382.16 : x
  2. Step 2: Convert to fraction form
    15,257,457.32/21,055,298.82 = 8,382,382.16/x
  3. Step 3: Cross multiply
    15,257,457.32x = 21,055,298.82 × 8,382,382.16
  4. Step 4: Simplify right side
    15,257,457.32x = 176,493,561,202,237.06
  5. Step 5: Solve for x
    x = 176,493,561,202,237.06/15,257,457.32
  6. Step 6: Final answer
    x = 11,567,691.62

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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.