Home / 8,818,574.03-13,222,712.72-3,420,917.25

Finding the Fourth Proportional to 8,818,574.03, 13,222,712.72 and 3,420,917.25

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Solution

The fourth proportional to 8,818,574.03, 13,222,712.72 and 3,420,917.25 is: 5,129,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,574.03 : 13,222,712.72 = 3,420,917.25 : x
  2. Step 2: Convert to fraction form
    8,818,574.03/13,222,712.72 = 3,420,917.25/x
  3. Step 3: Cross multiply
    8,818,574.03x = 13,222,712.72 × 3,420,917.25
  4. Step 4: Simplify right side
    8,818,574.03x = 45,233,805,975,366.88
  5. Step 5: Solve for x
    x = 45,233,805,975,366.88/8,818,574.03
  6. Step 6: Final answer
    x = 5,129,378.72

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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.