Home / 28,015,759.70-41,937,448.66-18,279,407.98

Finding the Fourth Proportional to 28,015,759.70, 41,937,448.66 and 18,279,407.98

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Solution

The fourth proportional to 28,015,759.70, 41,937,448.66 and 18,279,407.98 is: 27,362,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,759.70 : 41,937,448.66 = 18,279,407.98 : x
  2. Step 2: Convert to fraction form
    28,015,759.70/41,937,448.66 = 18,279,407.98/x
  3. Step 3: Cross multiply
    28,015,759.70x = 41,937,448.66 × 18,279,407.98
  4. Step 4: Simplify right side
    28,015,759.70x = 766,591,733,703,167.50
  5. Step 5: Solve for x
    x = 766,591,733,703,167.50/28,015,759.70
  6. Step 6: Final answer
    x = 27,362,875.11

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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.