Home / 36,978,984-55,423,045.84-20,770,864.48

Finding the Fourth Proportional to 36,978,984, 55,423,045.84 and 20,770,864.48

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Solution

The fourth proportional to 36,978,984, 55,423,045.84 and 20,770,864.48 is: 31,130,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,984 : 55,423,045.84 = 20,770,864.48 : x
  2. Step 2: Convert to fraction form
    36,978,984/55,423,045.84 = 20,770,864.48/x
  3. Step 3: Cross multiply
    36,978,984x = 55,423,045.84 × 20,770,864.48
  4. Step 4: Simplify right side
    36,978,984x = 1,151,184,574,211,467.75
  5. Step 5: Solve for x
    x = 1,151,184,574,211,467.75/36,978,984
  6. Step 6: Final answer
    x = 31,130,778.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.