Home / 40,256,434.53-55,552,412.93-21,921,317.73

Finding the Fourth Proportional to 40,256,434.53, 55,552,412.93 and 21,921,317.73

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Solution

The fourth proportional to 40,256,434.53, 55,552,412.93 and 21,921,317.73 is: 30,250,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,256,434.53 : 55,552,412.93 = 21,921,317.73 : x
  2. Step 2: Convert to fraction form
    40,256,434.53/55,552,412.93 = 21,921,317.73/x
  3. Step 3: Cross multiply
    40,256,434.53x = 55,552,412.93 × 21,921,317.73
  4. Step 4: Simplify right side
    40,256,434.53x = 1,217,782,094,397,083.50
  5. Step 5: Solve for x
    x = 1,217,782,094,397,083.50/40,256,434.53
  6. Step 6: Final answer
    x = 30,250,619.77

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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.