Home / 33,128,998.20-49,693,497.30-18,780,091.20

Finding the Fourth Proportional to 33,128,998.20, 49,693,497.30 and 18,780,091.20

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Solution

The fourth proportional to 33,128,998.20, 49,693,497.30 and 18,780,091.20 is: 28,170,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128,998.20 : 49,693,497.30 = 18,780,091.20 : x
  2. Step 2: Convert to fraction form
    33,128,998.20/49,693,497.30 = 18,780,091.20/x
  3. Step 3: Cross multiply
    33,128,998.20x = 49,693,497.30 × 18,780,091.20
  4. Step 4: Simplify right side
    33,128,998.20x = 933,248,411,340,953.62
  5. Step 5: Solve for x
    x = 933,248,411,340,953.62/33,128,998.20
  6. Step 6: Final answer
    x = 28,170,136.80

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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.