Home / 20,048,320.98-27,666,709.86-10,880,963.73

Finding the Fourth Proportional to 20,048,320.98, 27,666,709.86 and 10,880,963.73

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Solution

The fourth proportional to 20,048,320.98, 27,666,709.86 and 10,880,963.73 is: 15,015,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,320.98 : 27,666,709.86 = 10,880,963.73 : x
  2. Step 2: Convert to fraction form
    20,048,320.98/27,666,709.86 = 10,880,963.73/x
  3. Step 3: Cross multiply
    20,048,320.98x = 27,666,709.86 × 10,880,963.73
  4. Step 4: Simplify right side
    20,048,320.98x = 301,040,466,515,093.38
  5. Step 5: Solve for x
    x = 301,040,466,515,093.38/20,048,320.98
  6. Step 6: Final answer
    x = 15,015,744.55

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1.5x scale

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.