Home / 19,097,179.20-28,645,768.80-11,538,907.20

Finding the Fourth Proportional to 19,097,179.20, 28,645,768.80 and 11,538,907.20

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Solution

The fourth proportional to 19,097,179.20, 28,645,768.80 and 11,538,907.20 is: 17,308,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097,179.20 : 28,645,768.80 = 11,538,907.20 : x
  2. Step 2: Convert to fraction form
    19,097,179.20/28,645,768.80 = 11,538,907.20/x
  3. Step 3: Cross multiply
    19,097,179.20x = 28,645,768.80 × 11,538,907.20
  4. Step 4: Simplify right side
    19,097,179.20x = 330,540,867,855,855.38
  5. Step 5: Solve for x
    x = 330,540,867,855,855.38/19,097,179.20
  6. Step 6: Final answer
    x = 17,308,360.80

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1.5x scale

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.