Home / 13,670,648.56-20,510,463.04-5,590,420.31

Finding the Fourth Proportional to 13,670,648.56, 20,510,463.04 and 5,590,420.31

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Solution

The fourth proportional to 13,670,648.56, 20,510,463.04 and 5,590,420.31 is: 8,387,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670,648.56 : 20,510,463.04 = 5,590,420.31 : x
  2. Step 2: Convert to fraction form
    13,670,648.56/20,510,463.04 = 5,590,420.31/x
  3. Step 3: Cross multiply
    13,670,648.56x = 20,510,463.04 × 5,590,420.31
  4. Step 4: Simplify right side
    13,670,648.56x = 114,662,109,067,092.09
  5. Step 5: Solve for x
    x = 114,662,109,067,092.09/13,670,648.56
  6. Step 6: Final answer
    x = 8,387,466.66

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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.