Home / 40,090,733.37-55,325,247.48-21,756,018.87

Finding the Fourth Proportional to 40,090,733.37, 55,325,247.48 and 21,756,018.87

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Solution

The fourth proportional to 40,090,733.37, 55,325,247.48 and 21,756,018.87 is: 30,023,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,733.37 : 55,325,247.48 = 21,756,018.87 : x
  2. Step 2: Convert to fraction form
    40,090,733.37/55,325,247.48 = 21,756,018.87/x
  3. Step 3: Cross multiply
    40,090,733.37x = 55,325,247.48 × 21,756,018.87
  4. Step 4: Simplify right side
    40,090,733.37x = 1,203,657,128,162,300
  5. Step 5: Solve for x
    x = 1,203,657,128,162,300/40,090,733.37
  6. Step 6: Final answer
    x = 30,023,325.27

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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.