Home / 7,910,700-11,859,012.72-2,860,887.84

Finding the Fourth Proportional to 7,910,700, 11,859,012.72 and 2,860,887.84

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Solution

The fourth proportional to 7,910,700, 11,859,012.72 and 2,860,887.84 is: 4,288,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,700 : 11,859,012.72 = 2,860,887.84 : x
  2. Step 2: Convert to fraction form
    7,910,700/11,859,012.72 = 2,860,887.84/x
  3. Step 3: Cross multiply
    7,910,700x = 11,859,012.72 × 2,860,887.84
  4. Step 4: Simplify right side
    7,910,700x = 33,927,305,285,053.32
  5. Step 5: Solve for x
    x = 33,927,305,285,053.32/7,910,700
  6. Step 6: Final answer
    x = 4,288,786.74

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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.