Home / 30,325,378-41,848,943.88-16,574,435.68

Finding the Fourth Proportional to 30,325,378, 41,848,943.88 and 16,574,435.68

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Solution

The fourth proportional to 30,325,378, 41,848,943.88 and 16,574,435.68 is: 22,872,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325,378 : 41,848,943.88 = 16,574,435.68 : x
  2. Step 2: Convert to fraction form
    30,325,378/41,848,943.88 = 16,574,435.68/x
  3. Step 3: Cross multiply
    30,325,378x = 41,848,943.88 × 16,574,435.68
  4. Step 4: Simplify right side
    30,325,378x = 693,622,628,614,989.62
  5. Step 5: Solve for x
    x = 693,622,628,614,989.62/30,325,378
  6. Step 6: Final answer
    x = 22,872,678.74

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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.