Home / 40,480,840.44-55,864,014.30-21,896,355.96

Finding the Fourth Proportional to 40,480,840.44, 55,864,014.30 and 21,896,355.96

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Solution

The fourth proportional to 40,480,840.44, 55,864,014.30 and 21,896,355.96 is: 30,217,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,840.44 : 55,864,014.30 = 21,896,355.96 : x
  2. Step 2: Convert to fraction form
    40,480,840.44/55,864,014.30 = 21,896,355.96/x
  3. Step 3: Cross multiply
    40,480,840.44x = 55,864,014.30 × 21,896,355.96
  4. Step 4: Simplify right side
    40,480,840.44x = 1,223,218,342,467,330.25
  5. Step 5: Solve for x
    x = 1,223,218,342,467,330.25/40,480,840.44
  6. Step 6: Final answer
    x = 30,217,217.06

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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.