Home / 30,378,487.82-41,922,363.93-16,628,323.10

Finding the Fourth Proportional to 30,378,487.82, 41,922,363.93 and 16,628,323.10

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Solution

The fourth proportional to 30,378,487.82, 41,922,363.93 and 16,628,323.10 is: 22,947,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,487.82 : 41,922,363.93 = 16,628,323.10 : x
  2. Step 2: Convert to fraction form
    30,378,487.82/41,922,363.93 = 16,628,323.10/x
  3. Step 3: Cross multiply
    30,378,487.82x = 41,922,363.93 × 16,628,323.10
  4. Step 4: Simplify right side
    30,378,487.82x = 697,098,612,543,825.75
  5. Step 5: Solve for x
    x = 697,098,612,543,825.75/30,378,487.82
  6. Step 6: Final answer
    x = 22,947,113.65

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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.