Home / 7,990,702.65-11,986,164.54-2,599,381.26

Finding the Fourth Proportional to 7,990,702.65, 11,986,164.54 and 2,599,381.26

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Solution

The fourth proportional to 7,990,702.65, 11,986,164.54 and 2,599,381.26 is: 3,899,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,702.65 : 11,986,164.54 = 2,599,381.26 : x
  2. Step 2: Convert to fraction form
    7,990,702.65/11,986,164.54 = 2,599,381.26/x
  3. Step 3: Cross multiply
    7,990,702.65x = 11,986,164.54 × 2,599,381.26
  4. Step 4: Simplify right side
    7,990,702.65x = 31,156,611,484,552.52
  5. Step 5: Solve for x
    x = 31,156,611,484,552.52/7,990,702.65
  6. Step 6: Final answer
    x = 3,899,107.86

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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.