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Finding the Fourth Proportional to 18,975,602.52, 26,186,346.90 and 10,273,781.16

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Solution

The fourth proportional to 18,975,602.52, 26,186,346.90 and 10,273,781.16 is: 14,177,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975,602.52 : 26,186,346.90 = 10,273,781.16 : x
  2. Step 2: Convert to fraction form
    18,975,602.52/26,186,346.90 = 10,273,781.16/x
  3. Step 3: Cross multiply
    18,975,602.52x = 26,186,346.90 × 10,273,781.16
  4. Step 4: Simplify right side
    18,975,602.52x = 269,032,797,430,444.41
  5. Step 5: Solve for x
    x = 269,032,797,430,444.41/18,975,602.52
  6. Step 6: Final answer
    x = 14,177,826.35

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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.