Home / 40,572,640.34-55,991,597.73-22,237,972.82

Finding the Fourth Proportional to 40,572,640.34, 55,991,597.73 and 22,237,972.82

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Solution

The fourth proportional to 40,572,640.34, 55,991,597.73 and 22,237,972.82 is: 30,689,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572,640.34 : 55,991,597.73 = 22,237,972.82 : x
  2. Step 2: Convert to fraction form
    40,572,640.34/55,991,597.73 = 22,237,972.82/x
  3. Step 3: Cross multiply
    40,572,640.34x = 55,991,597.73 × 22,237,972.82
  4. Step 4: Simplify right side
    40,572,640.34x = 1,245,139,628,468,113.75
  5. Step 5: Solve for x
    x = 1,245,139,628,468,113.75/40,572,640.34
  6. Step 6: Final answer
    x = 30,689,144.66

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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.