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Finding the Fourth Proportional to 18,976,898.82, 26,168,546.34 and 16,232,670.48

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Solution

The fourth proportional to 18,976,898.82, 26,168,546.34 and 16,232,670.48 is: 22,384,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,898.82 : 26,168,546.34 = 16,232,670.48 : x
  2. Step 2: Convert to fraction form
    18,976,898.82/26,168,546.34 = 16,232,670.48/x
  3. Step 3: Cross multiply
    18,976,898.82x = 26,168,546.34 × 16,232,670.48
  4. Step 4: Simplify right side
    18,976,898.82x = 424,785,389,677,830.06
  5. Step 5: Solve for x
    x = 424,785,389,677,830.06/18,976,898.82
  6. Step 6: Final answer
    x = 22,384,341.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.