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Finding the Fourth Proportional to 18,975,280.80, 26,185,574.84 and 10,273,383.84

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Solution

The fourth proportional to 18,975,280.80, 26,185,574.84 and 10,273,383.84 is: 14,177,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975,280.80 : 26,185,574.84 = 10,273,383.84 : x
  2. Step 2: Convert to fraction form
    18,975,280.80/26,185,574.84 = 10,273,383.84/x
  3. Step 3: Cross multiply
    18,975,280.80x = 26,185,574.84 × 10,273,383.84
  4. Step 4: Simplify right side
    18,975,280.80x = 269,014,461,402,366.59
  5. Step 5: Solve for x
    x = 269,014,461,402,366.59/18,975,280.80
  6. Step 6: Final answer
    x = 14,177,100.42

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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.