Home / 15,214,670,530.72-20,996,270,032.50-8,440,489,285.36

Finding the Fourth Proportional to 15,214,670,530.72, 20,996,270,032.50 and 8,440,489,285.36

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Solution

The fourth proportional to 15,214,670,530.72, 20,996,270,032.50 and 8,440,489,285.36 is: 11,647,888,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,670,530.72 : 20,996,270,032.50 = 8,440,489,285.36 : x
  2. Step 2: Convert to fraction form
    15,214,670,530.72/20,996,270,032.50 = 8,440,489,285.36/x
  3. Step 3: Cross multiply
    15,214,670,530.72x = 20,996,270,032.50 × 8,440,489,285.36
  4. Step 4: Simplify right side
    15,214,670,530.72x = 177,218,792,241,789,009,920
  5. Step 5: Solve for x
    x = 177,218,792,241,789,009,920/15,214,670,530.72
  6. Step 6: Final answer
    x = 11,647,888,916.42

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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.