Home / 38,308,027.46-52,864,642.40-20,904,668.78

Finding the Fourth Proportional to 38,308,027.46, 52,864,642.40 and 20,904,668.78

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Solution

The fourth proportional to 38,308,027.46, 52,864,642.40 and 20,904,668.78 is: 28,848,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,027.46 : 52,864,642.40 = 20,904,668.78 : x
  2. Step 2: Convert to fraction form
    38,308,027.46/52,864,642.40 = 20,904,668.78/x
  3. Step 3: Cross multiply
    38,308,027.46x = 52,864,642.40 × 20,904,668.78
  4. Step 4: Simplify right side
    38,308,027.46x = 1,105,117,839,176,297.75
  5. Step 5: Solve for x
    x = 1,105,117,839,176,297.75/38,308,027.46
  6. Step 6: Final answer
    x = 28,848,205.26

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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.