Home / 15,289,354.50-21,099,036.31-8,319,794.37

Finding the Fourth Proportional to 15,289,354.50, 21,099,036.31 and 8,319,794.37

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Solution

The fourth proportional to 15,289,354.50, 21,099,036.31 and 8,319,794.37 is: 11,481,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,354.50 : 21,099,036.31 = 8,319,794.37 : x
  2. Step 2: Convert to fraction form
    15,289,354.50/21,099,036.31 = 8,319,794.37/x
  3. Step 3: Cross multiply
    15,289,354.50x = 21,099,036.31 × 8,319,794.37
  4. Step 4: Simplify right side
    15,289,354.50x = 175,539,643,504,363.56
  5. Step 5: Solve for x
    x = 175,539,643,504,363.56/15,289,354.50
  6. Step 6: Final answer
    x = 11,481,167.73

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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.