Home / 30,313,848.66-41,819,912.10-18,553,640.58

Finding the Fourth Proportional to 30,313,848.66, 41,819,912.10 and 18,553,640.58

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Solution

The fourth proportional to 30,313,848.66, 41,819,912.10 and 18,553,640.58 is: 25,595,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313,848.66 : 41,819,912.10 = 18,553,640.58 : x
  2. Step 2: Convert to fraction form
    30,313,848.66/41,819,912.10 = 18,553,640.58/x
  3. Step 3: Cross multiply
    30,313,848.66x = 41,819,912.10 × 18,553,640.58
  4. Step 4: Simplify right side
    30,313,848.66x = 775,911,618,190,593
  5. Step 5: Solve for x
    x = 775,911,618,190,593/30,313,848.66
  6. Step 6: Final answer
    x = 25,595,945.50

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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.