Home / 40,739,178.40-56,219,286.67-22,404,463.90

Finding the Fourth Proportional to 40,739,178.40, 56,219,286.67 and 22,404,463.90

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Solution

The fourth proportional to 40,739,178.40, 56,219,286.67 and 22,404,463.90 is: 30,917,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739,178.40 : 56,219,286.67 = 22,404,463.90 : x
  2. Step 2: Convert to fraction form
    40,739,178.40/56,219,286.67 = 22,404,463.90/x
  3. Step 3: Cross multiply
    40,739,178.40x = 56,219,286.67 × 22,404,463.90
  4. Step 4: Simplify right side
    40,739,178.40x = 1,259,562,978,485,206.75
  5. Step 5: Solve for x
    x = 1,259,562,978,485,206.75/40,739,178.40
  6. Step 6: Final answer
    x = 30,917,731.48

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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.