Home / 12,279,014.20-18,418,535.85-3,759,307.84

Finding the Fourth Proportional to 12,279,014.20, 18,418,535.85 and 3,759,307.84

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Solution

The fourth proportional to 12,279,014.20, 18,418,535.85 and 3,759,307.84 is: 5,638,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,014.20 : 18,418,535.85 = 3,759,307.84 : x
  2. Step 2: Convert to fraction form
    12,279,014.20/18,418,535.85 = 3,759,307.84/x
  3. Step 3: Cross multiply
    12,279,014.20x = 18,418,535.85 × 3,759,307.84
  4. Step 4: Simplify right side
    12,279,014.20x = 69,240,946,222,226.07
  5. Step 5: Solve for x
    x = 69,240,946,222,226.07/12,279,014.20
  6. Step 6: Final answer
    x = 5,638,966.21

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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.