Home / 13,324,558.95-18,388,018.04-7,818,027.48

Finding the Fourth Proportional to 13,324,558.95, 18,388,018.04 and 7,818,027.48

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Solution

The fourth proportional to 13,324,558.95, 18,388,018.04 and 7,818,027.48 is: 10,788,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,558.95 : 18,388,018.04 = 7,818,027.48 : x
  2. Step 2: Convert to fraction form
    13,324,558.95/18,388,018.04 = 7,818,027.48/x
  3. Step 3: Cross multiply
    13,324,558.95x = 18,388,018.04 × 7,818,027.48
  4. Step 4: Simplify right side
    13,324,558.95x = 143,758,030,300,365.62
  5. Step 5: Solve for x
    x = 143,758,030,300,365.62/13,324,558.95
  6. Step 6: Final answer
    x = 10,788,952.25

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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.