Home / 30,378,491.32-41,922,368.76-16,628,326.60

Finding the Fourth Proportional to 30,378,491.32, 41,922,368.76 and 16,628,326.60

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Solution

The fourth proportional to 30,378,491.32, 41,922,368.76 and 16,628,326.60 is: 22,947,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,491.32 : 41,922,368.76 = 16,628,326.60 : x
  2. Step 2: Convert to fraction form
    30,378,491.32/41,922,368.76 = 16,628,326.60/x
  3. Step 3: Cross multiply
    30,378,491.32x = 41,922,368.76 × 16,628,326.60
  4. Step 4: Simplify right side
    30,378,491.32x = 697,098,839,586,917
  5. Step 5: Solve for x
    x = 697,098,839,586,917/30,378,491.32
  6. Step 6: Final answer
    x = 22,947,118.48

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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.