Home / 30,378,970.84-41,923,373.52-16,627,639.72

Finding the Fourth Proportional to 30,378,970.84, 41,923,373.52 and 16,627,639.72

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Solution

The fourth proportional to 30,378,970.84, 41,923,373.52 and 16,627,639.72 is: 22,946,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,970.84 : 41,923,373.52 = 16,627,639.72 : x
  2. Step 2: Convert to fraction form
    30,378,970.84/41,923,373.52 = 16,627,639.72/x
  3. Step 3: Cross multiply
    30,378,970.84x = 41,923,373.52 × 16,627,639.72
  4. Step 4: Simplify right side
    30,378,970.84x = 697,086,750,737,548.25
  5. Step 5: Solve for x
    x = 697,086,750,737,548.25/30,378,970.84
  6. Step 6: Final answer
    x = 22,946,358.33

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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.