Home / 30,378,981.84-41,923,388.70-16,627,650.72

Finding the Fourth Proportional to 30,378,981.84, 41,923,388.70 and 16,627,650.72

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Solution

The fourth proportional to 30,378,981.84, 41,923,388.70 and 16,627,650.72 is: 22,946,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,981.84 : 41,923,388.70 = 16,627,650.72 : x
  2. Step 2: Convert to fraction form
    30,378,981.84/41,923,388.70 = 16,627,650.72/x
  3. Step 3: Cross multiply
    30,378,981.84x = 41,923,388.70 × 16,627,650.72
  4. Step 4: Simplify right side
    30,378,981.84x = 697,087,464,302,395
  5. Step 5: Solve for x
    x = 697,087,464,302,395/30,378,981.84
  6. Step 6: Final answer
    x = 22,946,373.51

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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.