Home / 30,379,029.84-41,923,455.12-16,627,698.72

Finding the Fourth Proportional to 30,379,029.84, 41,923,455.12 and 16,627,698.72

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Solution

The fourth proportional to 30,379,029.84, 41,923,455.12 and 16,627,698.72 is: 22,946,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379,029.84 : 41,923,455.12 = 16,627,698.72 : x
  2. Step 2: Convert to fraction form
    30,379,029.84/41,923,455.12 = 16,627,698.72/x
  3. Step 3: Cross multiply
    30,379,029.84x = 41,923,455.12 × 16,627,698.72
  4. Step 4: Simplify right side
    30,379,029.84x = 697,090,581,036,801.38
  5. Step 5: Solve for x
    x = 697,090,581,036,801.38/30,379,029.84
  6. Step 6: Final answer
    x = 22,946,439.85

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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.