Home / 18,294,378.54-27,444,551.88-7,508,784.66

Finding the Fourth Proportional to 18,294,378.54, 27,444,551.88 and 7,508,784.66

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Solution

The fourth proportional to 18,294,378.54, 27,444,551.88 and 7,508,784.66 is: 11,264,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294,378.54 : 27,444,551.88 = 7,508,784.66 : x
  2. Step 2: Convert to fraction form
    18,294,378.54/27,444,551.88 = 7,508,784.66/x
  3. Step 3: Cross multiply
    18,294,378.54x = 27,444,551.88 × 7,508,784.66
  4. Step 4: Simplify right side
    18,294,378.54x = 206,075,230,157,118.16
  5. Step 5: Solve for x
    x = 206,075,230,157,118.16/18,294,378.54
  6. Step 6: Final answer
    x = 11,264,401.78

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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.