Home / 12,336,036.75-17,021,368.76-7,984,519.11

Finding the Fourth Proportional to 12,336,036.75, 17,021,368.76 and 7,984,519.11

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Solution

The fourth proportional to 12,336,036.75, 17,021,368.76 and 7,984,519.11 is: 11,017,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,036.75 : 17,021,368.76 = 7,984,519.11 : x
  2. Step 2: Convert to fraction form
    12,336,036.75/17,021,368.76 = 7,984,519.11/x
  3. Step 3: Cross multiply
    12,336,036.75x = 17,021,368.76 × 7,984,519.11
  4. Step 4: Simplify right side
    12,336,036.75x = 135,907,444,102,654.41
  5. Step 5: Solve for x
    x = 135,907,444,102,654.41/12,336,036.75
  6. Step 6: Final answer
    x = 11,017,107.59

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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.