Home / 30,378,487.32-41,922,363.24-16,628,322.60

Finding the Fourth Proportional to 30,378,487.32, 41,922,363.24 and 16,628,322.60

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Solution

The fourth proportional to 30,378,487.32, 41,922,363.24 and 16,628,322.60 is: 22,947,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,487.32 : 41,922,363.24 = 16,628,322.60 : x
  2. Step 2: Convert to fraction form
    30,378,487.32/41,922,363.24 = 16,628,322.60/x
  3. Step 3: Cross multiply
    30,378,487.32x = 41,922,363.24 × 16,628,322.60
  4. Step 4: Simplify right side
    30,378,487.32x = 697,098,580,109,101.25
  5. Step 5: Solve for x
    x = 697,098,580,109,101.25/30,378,487.32
  6. Step 6: Final answer
    x = 22,947,112.96

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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.