Home / 30,378,166.54-41,922,607.80-17,326,639.78

Finding the Fourth Proportional to 30,378,166.54, 41,922,607.80 and 17,326,639.78

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Solution

The fourth proportional to 30,378,166.54, 41,922,607.80 and 17,326,639.78 is: 23,911,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,166.54 : 41,922,607.80 = 17,326,639.78 : x
  2. Step 2: Convert to fraction form
    30,378,166.54/41,922,607.80 = 17,326,639.78/x
  3. Step 3: Cross multiply
    30,378,166.54x = 41,922,607.80 × 17,326,639.78
  4. Step 4: Simplify right side
    30,378,166.54x = 726,377,923,988,818.25
  5. Step 5: Solve for x
    x = 726,377,923,988,818.25/30,378,166.54
  6. Step 6: Final answer
    x = 23,911,183.81

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1.5x scale

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.