Home / 19,187,435.40-28,743,828.30-11,591,838.60

Finding the Fourth Proportional to 19,187,435.40, 28,743,828.30 and 11,591,838.60

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Solution

The fourth proportional to 19,187,435.40, 28,743,828.30 and 11,591,838.60 is: 17,365,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,435.40 : 28,743,828.30 = 11,591,838.60 : x
  2. Step 2: Convert to fraction form
    19,187,435.40/28,743,828.30 = 11,591,838.60/x
  3. Step 3: Cross multiply
    19,187,435.40x = 28,743,828.30 × 11,591,838.60
  4. Step 4: Simplify right side
    19,187,435.40x = 333,193,818,399,712.38
  5. Step 5: Solve for x
    x = 333,193,818,399,712.38/19,187,435.40
  6. Step 6: Final answer
    x = 17,365,208.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.