Home / 28,011,644.20-41,994,138.30-11,850,005.80

Finding the Fourth Proportional to 28,011,644.20, 41,994,138.30 and 11,850,005.80

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Solution

The fourth proportional to 28,011,644.20, 41,994,138.30 and 11,850,005.80 is: 17,765,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,644.20 : 41,994,138.30 = 11,850,005.80 : x
  2. Step 2: Convert to fraction form
    28,011,644.20/41,994,138.30 = 11,850,005.80/x
  3. Step 3: Cross multiply
    28,011,644.20x = 41,994,138.30 × 11,850,005.80
  4. Step 4: Simplify right side
    28,011,644.20x = 497,630,782,421,002.12
  5. Step 5: Solve for x
    x = 497,630,782,421,002.12/28,011,644.20
  6. Step 6: Final answer
    x = 17,765,140.06

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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.