Home / 30,171,389.20-41,640,904.92-16,942,051.24

Finding the Fourth Proportional to 30,171,389.20, 41,640,904.92 and 16,942,051.24

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Solution

The fourth proportional to 30,171,389.20, 41,640,904.92 and 16,942,051.24 is: 23,382,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171,389.20 : 41,640,904.92 = 16,942,051.24 : x
  2. Step 2: Convert to fraction form
    30,171,389.20/41,640,904.92 = 16,942,051.24/x
  3. Step 3: Cross multiply
    30,171,389.20x = 41,640,904.92 × 16,942,051.24
  4. Step 4: Simplify right side
    30,171,389.20x = 705,482,344,834,608.12
  5. Step 5: Solve for x
    x = 705,482,344,834,608.12/30,171,389.20
  6. Step 6: Final answer
    x = 23,382,494.59

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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.