Home / 8,453,200.80-12,686,799.60-3,911,239.20

Finding the Fourth Proportional to 8,453,200.80, 12,686,799.60 and 3,911,239.20

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Solution

The fourth proportional to 8,453,200.80, 12,686,799.60 and 3,911,239.20 is: 5,870,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453,200.80 : 12,686,799.60 = 3,911,239.20 : x
  2. Step 2: Convert to fraction form
    8,453,200.80/12,686,799.60 = 3,911,239.20/x
  3. Step 3: Cross multiply
    8,453,200.80x = 12,686,799.60 × 3,911,239.20
  4. Step 4: Simplify right side
    8,453,200.80x = 49,621,107,918,064.32
  5. Step 5: Solve for x
    x = 49,621,107,918,064.32/8,453,200.80
  6. Step 6: Final answer
    x = 5,870,096.91

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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.