Home / 30,378,969.34-41,923,371.45-16,627,638.22

Finding the Fourth Proportional to 30,378,969.34, 41,923,371.45 and 16,627,638.22

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Solution

The fourth proportional to 30,378,969.34, 41,923,371.45 and 16,627,638.22 is: 22,946,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,969.34 : 41,923,371.45 = 16,627,638.22 : x
  2. Step 2: Convert to fraction form
    30,378,969.34/41,923,371.45 = 16,627,638.22/x
  3. Step 3: Cross multiply
    30,378,969.34x = 41,923,371.45 × 16,627,638.22
  4. Step 4: Simplify right side
    30,378,969.34x = 697,086,653,433,276.88
  5. Step 5: Solve for x
    x = 697,086,653,433,276.88/30,378,969.34
  6. Step 6: Final answer
    x = 22,946,356.26

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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.