Home / 12,969,226.32-19,454,235.80-4,449,443.28

Finding the Fourth Proportional to 12,969,226.32, 19,454,235.80 and 4,449,443.28

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Solution

The fourth proportional to 12,969,226.32, 19,454,235.80 and 4,449,443.28 is: 6,674,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,226.32 : 19,454,235.80 = 4,449,443.28 : x
  2. Step 2: Convert to fraction form
    12,969,226.32/19,454,235.80 = 4,449,443.28/x
  3. Step 3: Cross multiply
    12,969,226.32x = 19,454,235.80 × 4,449,443.28
  4. Step 4: Simplify right side
    12,969,226.32x = 86,560,518,747,845.44
  5. Step 5: Solve for x
    x = 86,560,518,747,845.44/12,969,226.32
  6. Step 6: Final answer
    x = 6,674,300.89

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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.