Home / 7,115,583.30-9,821,118.96-5,563,775.58

Finding the Fourth Proportional to 7,115,583.30, 9,821,118.96 and 5,563,775.58

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Solution

The fourth proportional to 7,115,583.30, 9,821,118.96 and 5,563,775.58 is: 7,679,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,583.30 : 9,821,118.96 = 5,563,775.58 : x
  2. Step 2: Convert to fraction form
    7,115,583.30/9,821,118.96 = 5,563,775.58/x
  3. Step 3: Cross multiply
    7,115,583.30x = 9,821,118.96 × 5,563,775.58
  4. Step 4: Simplify right side
    7,115,583.30x = 54,642,501,837,923
  5. Step 5: Solve for x
    x = 54,642,501,837,923/7,115,583.30
  6. Step 6: Final answer
    x = 7,679,272.31

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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.