Home / 40,474,899.49-55,855,361.31-21,890,039.50

Finding the Fourth Proportional to 40,474,899.49, 55,855,361.31 and 21,890,039.50

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Solution

The fourth proportional to 40,474,899.49, 55,855,361.31 and 21,890,039.50 is: 30,208,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474,899.49 : 55,855,361.31 = 21,890,039.50 : x
  2. Step 2: Convert to fraction form
    40,474,899.49/55,855,361.31 = 21,890,039.50/x
  3. Step 3: Cross multiply
    40,474,899.49x = 55,855,361.31 × 21,890,039.50
  4. Step 4: Simplify right side
    40,474,899.49x = 1,222,676,065,362,671.75
  5. Step 5: Solve for x
    x = 1,222,676,065,362,671.75/40,474,899.49
  6. Step 6: Final answer
    x = 30,208,254.52

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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.