Home / 13,977,699.05-19,290,018.62-8,397,652.39

Finding the Fourth Proportional to 13,977,699.05, 19,290,018.62 and 8,397,652.39

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Solution

The fourth proportional to 13,977,699.05, 19,290,018.62 and 8,397,652.39 is: 11,589,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,699.05 : 19,290,018.62 = 8,397,652.39 : x
  2. Step 2: Convert to fraction form
    13,977,699.05/19,290,018.62 = 8,397,652.39/x
  3. Step 3: Cross multiply
    13,977,699.05x = 19,290,018.62 × 8,397,652.39
  4. Step 4: Simplify right side
    13,977,699.05x = 161,990,870,940,156.56
  5. Step 5: Solve for x
    x = 161,990,870,940,156.56/13,977,699.05
  6. Step 6: Final answer
    x = 11,589,237.28

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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.