Home / 20,774,577.18-28,670,400.01-11,481,947.56

Finding the Fourth Proportional to 20,774,577.18, 28,670,400.01 and 11,481,947.56

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Solution

The fourth proportional to 20,774,577.18, 28,670,400.01 and 11,481,947.56 is: 15,845,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,577.18 : 28,670,400.01 = 11,481,947.56 : x
  2. Step 2: Convert to fraction form
    20,774,577.18/28,670,400.01 = 11,481,947.56/x
  3. Step 3: Cross multiply
    20,774,577.18x = 28,670,400.01 × 11,481,947.56
  4. Step 4: Simplify right side
    20,774,577.18x = 329,192,029,263,376.94
  5. Step 5: Solve for x
    x = 329,192,029,263,376.94/20,774,577.18
  6. Step 6: Final answer
    x = 15,845,907.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.