Home / 18,938,992.92-28,412,698.14-8,836,102.68

Finding the Fourth Proportional to 18,938,992.92, 28,412,698.14 and 8,836,102.68

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Solution

The fourth proportional to 18,938,992.92, 28,412,698.14 and 8,836,102.68 is: 13,256,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938,992.92 : 28,412,698.14 = 8,836,102.68 : x
  2. Step 2: Convert to fraction form
    18,938,992.92/28,412,698.14 = 8,836,102.68/x
  3. Step 3: Cross multiply
    18,938,992.92x = 28,412,698.14 × 8,836,102.68
  4. Step 4: Simplify right side
    18,938,992.92x = 251,057,518,180,885
  5. Step 5: Solve for x
    x = 251,057,518,180,885/18,938,992.92
  6. Step 6: Final answer
    x = 13,256,117.64

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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.