Home / 8,519,005.37-12,782,498.48-4,198,700.44

Finding the Fourth Proportional to 8,519,005.37, 12,782,498.48 and 4,198,700.44

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Solution

The fourth proportional to 8,519,005.37, 12,782,498.48 and 4,198,700.44 is: 6,300,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,005.37 : 12,782,498.48 = 4,198,700.44 : x
  2. Step 2: Convert to fraction form
    8,519,005.37/12,782,498.48 = 4,198,700.44/x
  3. Step 3: Cross multiply
    8,519,005.37x = 12,782,498.48 × 4,198,700.44
  4. Step 4: Simplify right side
    8,519,005.37x = 53,669,881,992,275.34
  5. Step 5: Solve for x
    x = 53,669,881,992,275.34/8,519,005.37
  6. Step 6: Final answer
    x = 6,300,017.39

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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.