Home / 19,159,747.20-28,739,620.80-17,270,179.20

Finding the Fourth Proportional to 19,159,747.20, 28,739,620.80 and 17,270,179.20

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Solution

The fourth proportional to 19,159,747.20, 28,739,620.80 and 17,270,179.20 is: 25,905,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,747.20 : 28,739,620.80 = 17,270,179.20 : x
  2. Step 2: Convert to fraction form
    19,159,747.20/28,739,620.80 = 17,270,179.20/x
  3. Step 3: Cross multiply
    19,159,747.20x = 28,739,620.80 × 17,270,179.20
  4. Step 4: Simplify right side
    19,159,747.20x = 496,338,401,356,047.38
  5. Step 5: Solve for x
    x = 496,338,401,356,047.38/19,159,747.20
  6. Step 6: Final answer
    x = 25,905,268.80

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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.