Home / 28,761,801.60-43,071,843.60-19,125,004.80

Finding the Fourth Proportional to 28,761,801.60, 43,071,843.60 and 19,125,004.80

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Solution

The fourth proportional to 28,761,801.60, 43,071,843.60 and 19,125,004.80 is: 28,640,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,801.60 : 43,071,843.60 = 19,125,004.80 : x
  2. Step 2: Convert to fraction form
    28,761,801.60/43,071,843.60 = 19,125,004.80/x
  3. Step 3: Cross multiply
    28,761,801.60x = 43,071,843.60 × 19,125,004.80
  4. Step 4: Simplify right side
    28,761,801.60x = 823,749,215,594,849.38
  5. Step 5: Solve for x
    x = 823,749,215,594,849.38/28,761,801.60
  6. Step 6: Final answer
    x = 28,640,390.02

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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.