Home / 26,331,633.32-36,323,021.22-15,317,143.88

Finding the Fourth Proportional to 26,331,633.32, 36,323,021.22 and 15,317,143.88

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Solution

The fourth proportional to 26,331,633.32, 36,323,021.22 and 15,317,143.88 is: 21,129,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331,633.32 : 36,323,021.22 = 15,317,143.88 : x
  2. Step 2: Convert to fraction form
    26,331,633.32/36,323,021.22 = 15,317,143.88/x
  3. Step 3: Cross multiply
    26,331,633.32x = 36,323,021.22 × 15,317,143.88
  4. Step 4: Simplify right side
    26,331,633.32x = 556,364,942,183,033.12
  5. Step 5: Solve for x
    x = 556,364,942,183,033.12/26,331,633.32
  6. Step 6: Final answer
    x = 21,129,146.66

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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.