Home / 30,806,532.50-42,512,858.92-16,867,634.35

Finding the Fourth Proportional to 30,806,532.50, 42,512,858.92 and 16,867,634.35

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Solution

The fourth proportional to 30,806,532.50, 42,512,858.92 and 16,867,634.35 is: 23,277,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806,532.50 : 42,512,858.92 = 16,867,634.35 : x
  2. Step 2: Convert to fraction form
    30,806,532.50/42,512,858.92 = 16,867,634.35/x
  3. Step 3: Cross multiply
    30,806,532.50x = 42,512,858.92 × 16,867,634.35
  4. Step 4: Simplify right side
    30,806,532.50x = 717,091,359,453,942.62
  5. Step 5: Solve for x
    x = 717,091,359,453,942.62/30,806,532.50
  6. Step 6: Final answer
    x = 23,277,250.03

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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.