Home / 12,101,865.38-16,700,573.88-6,669,357.38

Finding the Fourth Proportional to 12,101,865.38, 16,700,573.88 and 6,669,357.38

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Solution

The fourth proportional to 12,101,865.38, 16,700,573.88 and 6,669,357.38 is: 9,203,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,865.38 : 16,700,573.88 = 6,669,357.38 : x
  2. Step 2: Convert to fraction form
    12,101,865.38/16,700,573.88 = 6,669,357.38/x
  3. Step 3: Cross multiply
    12,101,865.38x = 16,700,573.88 × 6,669,357.38
  4. Step 4: Simplify right side
    12,101,865.38x = 111,382,095,656,813.23
  5. Step 5: Solve for x
    x = 111,382,095,656,813.23/12,101,865.38
  6. Step 6: Final answer
    x = 9,203,712.99

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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.