Home / 17,178,695.19-25,711,962.97-12,628,539.63

Finding the Fourth Proportional to 17,178,695.19, 25,711,962.97 and 12,628,539.63

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Solution

The fourth proportional to 17,178,695.19, 25,711,962.97 and 12,628,539.63 is: 18,901,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178,695.19 : 25,711,962.97 = 12,628,539.63 : x
  2. Step 2: Convert to fraction form
    17,178,695.19/25,711,962.97 = 12,628,539.63/x
  3. Step 3: Cross multiply
    17,178,695.19x = 25,711,962.97 × 12,628,539.63
  4. Step 4: Simplify right side
    17,178,695.19x = 324,704,543,171,606.38
  5. Step 5: Solve for x
    x = 324,704,543,171,606.38/17,178,695.19
  6. Step 6: Final answer
    x = 18,901,583.60

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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.