Home / 12,563,286.60-18,844,929.90-4,485,383.40

Finding the Fourth Proportional to 12,563,286.60, 18,844,929.90 and 4,485,383.40

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Solution

The fourth proportional to 12,563,286.60, 18,844,929.90 and 4,485,383.40 is: 6,728,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,286.60 : 18,844,929.90 = 4,485,383.40 : x
  2. Step 2: Convert to fraction form
    12,563,286.60/18,844,929.90 = 4,485,383.40/x
  3. Step 3: Cross multiply
    12,563,286.60x = 18,844,929.90 × 4,485,383.40
  4. Step 4: Simplify right side
    12,563,286.60x = 84,526,735,747,623.66
  5. Step 5: Solve for x
    x = 84,526,735,747,623.66/12,563,286.60
  6. Step 6: Final answer
    x = 6,728,075.10

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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.