Home / 15,268,525.82-21,070,706.74-8,299,219.76

Finding the Fourth Proportional to 15,268,525.82, 21,070,706.74 and 8,299,219.76

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Solution

The fourth proportional to 15,268,525.82, 21,070,706.74 and 8,299,219.76 is: 11,452,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,525.82 : 21,070,706.74 = 8,299,219.76 : x
  2. Step 2: Convert to fraction form
    15,268,525.82/21,070,706.74 = 8,299,219.76/x
  3. Step 3: Cross multiply
    15,268,525.82x = 21,070,706.74 × 8,299,219.76
  4. Step 4: Simplify right side
    15,268,525.82x = 174,870,425,733,773.16
  5. Step 5: Solve for x
    x = 174,870,425,733,773.16/15,268,525.82
  6. Step 6: Final answer
    x = 11,452,999.97

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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.