Home / 16,821,936.19-23,214,292.65-9,086,978.62

Finding the Fourth Proportional to 16,821,936.19, 23,214,292.65 and 9,086,978.62

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Solution

The fourth proportional to 16,821,936.19, 23,214,292.65 and 9,086,978.62 is: 12,540,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,936.19 : 23,214,292.65 = 9,086,978.62 : x
  2. Step 2: Convert to fraction form
    16,821,936.19/23,214,292.65 = 9,086,978.62/x
  3. Step 3: Cross multiply
    16,821,936.19x = 23,214,292.65 × 9,086,978.62
  4. Step 4: Simplify right side
    16,821,936.19x = 210,947,780,988,973.12
  5. Step 5: Solve for x
    x = 210,947,780,988,973.12/16,821,936.19
  6. Step 6: Final answer
    x = 12,540,041.68

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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.