Home / 14,321,239.74-19,764,993.72-8,042,798.89

Finding the Fourth Proportional to 14,321,239.74, 19,764,993.72 and 8,042,798.89

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Solution

The fourth proportional to 14,321,239.74, 19,764,993.72 and 8,042,798.89 is: 11,100,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321,239.74 : 19,764,993.72 = 8,042,798.89 : x
  2. Step 2: Convert to fraction form
    14,321,239.74/19,764,993.72 = 8,042,798.89/x
  3. Step 3: Cross multiply
    14,321,239.74x = 19,764,993.72 × 8,042,798.89
  4. Step 4: Simplify right side
    14,321,239.74x = 158,965,869,453,248
  5. Step 5: Solve for x
    x = 158,965,869,453,248/14,321,239.74
  6. Step 6: Final answer
    x = 11,100,007.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.