Home / 28,011,648.70-41,994,145.05-11,850,010.30

Finding the Fourth Proportional to 28,011,648.70, 41,994,145.05 and 11,850,010.30

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Solution

The fourth proportional to 28,011,648.70, 41,994,145.05 and 11,850,010.30 is: 17,765,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,648.70 : 41,994,145.05 = 11,850,010.30 : x
  2. Step 2: Convert to fraction form
    28,011,648.70/41,994,145.05 = 11,850,010.30/x
  3. Step 3: Cross multiply
    28,011,648.70x = 41,994,145.05 × 11,850,010.30
  4. Step 4: Simplify right side
    28,011,648.70x = 497,631,051,382,194
  5. Step 5: Solve for x
    x = 497,631,051,382,194/28,011,648.70
  6. Step 6: Final answer
    x = 17,765,146.80

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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.