Home / 12,928,631.46-19,393,242.48-3,830,558.28

Finding the Fourth Proportional to 12,928,631.46, 19,393,242.48 and 3,830,558.28

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Solution

The fourth proportional to 12,928,631.46, 19,393,242.48 and 3,830,558.28 is: 5,745,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,631.46 : 19,393,242.48 = 3,830,558.28 : x
  2. Step 2: Convert to fraction form
    12,928,631.46/19,393,242.48 = 3,830,558.28/x
  3. Step 3: Cross multiply
    12,928,631.46x = 19,393,242.48 × 3,830,558.28
  4. Step 4: Simplify right side
    12,928,631.46x = 74,286,945,557,811.73
  5. Step 5: Solve for x
    x = 74,286,945,557,811.73/12,928,631.46
  6. Step 6: Final answer
    x = 5,745,924.91

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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.