Home / 8,818,551.53-13,222,678.97-3,420,894.75

Finding the Fourth Proportional to 8,818,551.53, 13,222,678.97 and 3,420,894.75

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Solution

The fourth proportional to 8,818,551.53, 13,222,678.97 and 3,420,894.75 is: 5,129,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,551.53 : 13,222,678.97 = 3,420,894.75 : x
  2. Step 2: Convert to fraction form
    8,818,551.53/13,222,678.97 = 3,420,894.75/x
  3. Step 3: Cross multiply
    8,818,551.53x = 13,222,678.97 × 3,420,894.75
  4. Step 4: Simplify right side
    8,818,551.53x = 45,233,393,009,133.06
  5. Step 5: Solve for x
    x = 45,233,393,009,133.06/8,818,551.53
  6. Step 6: Final answer
    x = 5,129,344.98

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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.