Home / 8,453,016.80-12,686,523.60-3,911,055.20

Finding the Fourth Proportional to 8,453,016.80, 12,686,523.60 and 3,911,055.20

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Solution

The fourth proportional to 8,453,016.80, 12,686,523.60 and 3,911,055.20 is: 5,869,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453,016.80 : 12,686,523.60 = 3,911,055.20 : x
  2. Step 2: Convert to fraction form
    8,453,016.80/12,686,523.60 = 3,911,055.20/x
  3. Step 3: Cross multiply
    8,453,016.80x = 12,686,523.60 × 3,911,055.20
  4. Step 4: Simplify right side
    8,453,016.80x = 49,617,694,095,702.72
  5. Step 5: Solve for x
    x = 49,617,694,095,702.72/8,453,016.80
  6. Step 6: Final answer
    x = 5,869,820.83

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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.