Home / 28,011,619.20-41,994,100.80-11,849,980.80

Finding the Fourth Proportional to 28,011,619.20, 41,994,100.80 and 11,849,980.80

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Solution

The fourth proportional to 28,011,619.20, 41,994,100.80 and 11,849,980.80 is: 17,765,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,619.20 : 41,994,100.80 = 11,849,980.80 : x
  2. Step 2: Convert to fraction form
    28,011,619.20/41,994,100.80 = 11,849,980.80/x
  3. Step 3: Cross multiply
    28,011,619.20x = 41,994,100.80 × 11,849,980.80
  4. Step 4: Simplify right side
    28,011,619.20x = 497,629,288,193,264.62
  5. Step 5: Solve for x
    x = 497,629,288,193,264.62/28,011,619.20
  6. Step 6: Final answer
    x = 17,765,102.57

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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.