Home / 34,979,212.80-52,397,960.40-19,815,429.60

Finding the Fourth Proportional to 34,979,212.80, 52,397,960.40 and 19,815,429.60

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Solution

The fourth proportional to 34,979,212.80, 52,397,960.40 and 19,815,429.60 is: 29,683,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979,212.80 : 52,397,960.40 = 19,815,429.60 : x
  2. Step 2: Convert to fraction form
    34,979,212.80/52,397,960.40 = 19,815,429.60/x
  3. Step 3: Cross multiply
    34,979,212.80x = 52,397,960.40 × 19,815,429.60
  4. Step 4: Simplify right side
    34,979,212.80x = 1,038,288,095,489,787.88
  5. Step 5: Solve for x
    x = 1,038,288,095,489,787.88/34,979,212.80
  6. Step 6: Final answer
    x = 29,683,003.49

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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.