Home / 8,081,125.80-12,122,271.90-4,879,357.80

Finding the Fourth Proportional to 8,081,125.80, 12,122,271.90 and 4,879,357.80

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Solution

The fourth proportional to 8,081,125.80, 12,122,271.90 and 4,879,357.80 is: 7,319,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,125.80 : 12,122,271.90 = 4,879,357.80 : x
  2. Step 2: Convert to fraction form
    8,081,125.80/12,122,271.90 = 4,879,357.80/x
  3. Step 3: Cross multiply
    8,081,125.80x = 12,122,271.90 × 4,879,357.80
  4. Step 4: Simplify right side
    8,081,125.80x = 59,148,901,948,985.82
  5. Step 5: Solve for x
    x = 59,148,901,948,985.82/8,081,125.80
  6. Step 6: Final answer
    x = 7,319,388.83

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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.