Home / 19,929,839.32-29,894,759.36-4,783,770.82

Finding the Fourth Proportional to 19,929,839.32, 29,894,759.36 and 4,783,770.82

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Solution

The fourth proportional to 19,929,839.32, 29,894,759.36 and 4,783,770.82 is: 7,175,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,839.32 : 29,894,759.36 = 4,783,770.82 : x
  2. Step 2: Convert to fraction form
    19,929,839.32/29,894,759.36 = 4,783,770.82/x
  3. Step 3: Cross multiply
    19,929,839.32x = 29,894,759.36 × 4,783,770.82
  4. Step 4: Simplify right side
    19,929,839.32x = 143,009,677,434,512.41
  5. Step 5: Solve for x
    x = 143,009,677,434,512.41/19,929,839.32
  6. Step 6: Final answer
    x = 7,175,656.32

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Why These Related Problems?

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