Home / 18,627,433.58-27,945,763.60-8,919,433.56

Finding the Fourth Proportional to 18,627,433.58, 27,945,763.60 and 8,919,433.56

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Solution

The fourth proportional to 18,627,433.58, 27,945,763.60 and 8,919,433.56 is: 13,381,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,433.58 : 27,945,763.60 = 8,919,433.56 : x
  2. Step 2: Convert to fraction form
    18,627,433.58/27,945,763.60 = 8,919,433.56/x
  3. Step 3: Cross multiply
    18,627,433.58x = 27,945,763.60 × 8,919,433.56
  4. Step 4: Simplify right side
    18,627,433.58x = 249,260,381,713,666.44
  5. Step 5: Solve for x
    x = 249,260,381,713,666.44/18,627,433.58
  6. Step 6: Final answer
    x = 13,381,359.31

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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.