Home / 8,511,275.80-12,768,080.10-2,830,907.80

Finding the Fourth Proportional to 8,511,275.80, 12,768,080.10 and 2,830,907.80

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Solution

The fourth proportional to 8,511,275.80, 12,768,080.10 and 2,830,907.80 is: 4,246,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,275.80 : 12,768,080.10 = 2,830,907.80 : x
  2. Step 2: Convert to fraction form
    8,511,275.80/12,768,080.10 = 2,830,907.80/x
  3. Step 3: Cross multiply
    8,511,275.80x = 12,768,080.10 × 2,830,907.80
  4. Step 4: Simplify right side
    8,511,275.80x = 36,145,257,546,114.77
  5. Step 5: Solve for x
    x = 36,145,257,546,114.77/8,511,275.80
  6. Step 6: Final answer
    x = 4,246,749.65

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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.