Home / 8,081,127.80-12,122,274.90-4,879,359.80

Finding the Fourth Proportional to 8,081,127.80, 12,122,274.90 and 4,879,359.80

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Solution

The fourth proportional to 8,081,127.80, 12,122,274.90 and 4,879,359.80 is: 7,319,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,127.80 : 12,122,274.90 = 4,879,359.80 : x
  2. Step 2: Convert to fraction form
    8,081,127.80/12,122,274.90 = 4,879,359.80/x
  3. Step 3: Cross multiply
    8,081,127.80x = 12,122,274.90 × 4,879,359.80
  4. Step 4: Simplify right side
    8,081,127.80x = 59,148,940,831,609.02
  5. Step 5: Solve for x
    x = 59,148,940,831,609.02/8,081,127.80
  6. Step 6: Final answer
    x = 7,319,391.83

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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.