Home / 39,366,361.63-54,325,612.88-21,962,709.53

Finding the Fourth Proportional to 39,366,361.63, 54,325,612.88 and 21,962,709.53

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Solution

The fourth proportional to 39,366,361.63, 54,325,612.88 and 21,962,709.53 is: 30,308,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,361.63 : 54,325,612.88 = 21,962,709.53 : x
  2. Step 2: Convert to fraction form
    39,366,361.63/54,325,612.88 = 21,962,709.53/x
  3. Step 3: Cross multiply
    39,366,361.63x = 54,325,612.88 × 21,962,709.53
  4. Step 4: Simplify right side
    39,366,361.63x = 1,193,137,655,722,666.75
  5. Step 5: Solve for x
    x = 1,193,137,655,722,666.75/39,366,361.63
  6. Step 6: Final answer
    x = 30,308,558.03

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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.