Home / 18,927,555.62-28,379,983.17-8,679,577.42

Finding the Fourth Proportional to 18,927,555.62, 28,379,983.17 and 8,679,577.42

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Solution

The fourth proportional to 18,927,555.62, 28,379,983.17 and 8,679,577.42 is: 13,014,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,555.62 : 28,379,983.17 = 8,679,577.42 : x
  2. Step 2: Convert to fraction form
    18,927,555.62/28,379,983.17 = 8,679,577.42/x
  3. Step 3: Cross multiply
    18,927,555.62x = 28,379,983.17 × 8,679,577.42
  4. Step 4: Simplify right side
    18,927,555.62x = 246,326,261,031,362.09
  5. Step 5: Solve for x
    x = 246,326,261,031,362.09/18,927,555.62
  6. Step 6: Final answer
    x = 13,014,161.26

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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.