Home / 12,368,118.84-17,060,912.78-7,713,823.44

Finding the Fourth Proportional to 12,368,118.84, 17,060,912.78 and 7,713,823.44

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Solution

The fourth proportional to 12,368,118.84, 17,060,912.78 and 7,713,823.44 is: 10,640,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,118.84 : 17,060,912.78 = 7,713,823.44 : x
  2. Step 2: Convert to fraction form
    12,368,118.84/17,060,912.78 = 7,713,823.44/x
  3. Step 3: Cross multiply
    12,368,118.84x = 17,060,912.78 × 7,713,823.44
  4. Step 4: Simplify right side
    12,368,118.84x = 131,604,868,910,159.58
  5. Step 5: Solve for x
    x = 131,604,868,910,159.58/12,368,118.84
  6. Step 6: Final answer
    x = 10,640,653.65

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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.