Home / 18,518,204.79-25,554,845.82-10,258,242.33

Finding the Fourth Proportional to 18,518,204.79, 25,554,845.82 and 10,258,242.33

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Solution

The fourth proportional to 18,518,204.79, 25,554,845.82 and 10,258,242.33 is: 14,156,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518,204.79 : 25,554,845.82 = 10,258,242.33 : x
  2. Step 2: Convert to fraction form
    18,518,204.79/25,554,845.82 = 10,258,242.33/x
  3. Step 3: Cross multiply
    18,518,204.79x = 25,554,845.82 × 10,258,242.33
  4. Step 4: Simplify right side
    18,518,204.79x = 262,147,801,127,347.56
  5. Step 5: Solve for x
    x = 262,147,801,127,347.56/18,518,204.79
  6. Step 6: Final answer
    x = 14,156,221.09

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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.