Home / 47,984,930.40-71,987,893.20-19,223,839.20

Finding the Fourth Proportional to 47,984,930.40, 71,987,893.20 and 19,223,839.20

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Solution

The fourth proportional to 47,984,930.40, 71,987,893.20 and 19,223,839.20 is: 28,839,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984,930.40 : 71,987,893.20 = 19,223,839.20 : x
  2. Step 2: Convert to fraction form
    47,984,930.40/71,987,893.20 = 19,223,839.20/x
  3. Step 3: Cross multiply
    47,984,930.40x = 71,987,893.20 × 19,223,839.20
  4. Step 4: Simplify right side
    47,984,930.40x = 1,383,883,683,223,573.50
  5. Step 5: Solve for x
    x = 1,383,883,683,223,573.50/47,984,930.40
  6. Step 6: Final answer
    x = 28,839,964.37

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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.