Home / 30,579,982.21-42,200,363.22-16,828,946.33

Finding the Fourth Proportional to 30,579,982.21, 42,200,363.22 and 16,828,946.33

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Solution

The fourth proportional to 30,579,982.21, 42,200,363.22 and 16,828,946.33 is: 23,223,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,982.21 : 42,200,363.22 = 16,828,946.33 : x
  2. Step 2: Convert to fraction form
    30,579,982.21/42,200,363.22 = 16,828,946.33/x
  3. Step 3: Cross multiply
    30,579,982.21x = 42,200,363.22 × 16,828,946.33
  4. Step 4: Simplify right side
    30,579,982.21x = 710,187,647,735,885.88
  5. Step 5: Solve for x
    x = 710,187,647,735,885.88/30,579,982.21
  6. Step 6: Final answer
    x = 23,223,939.21

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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.