Home / 7,939,283.52-11,912,860.32-3,146,866.56

Finding the Fourth Proportional to 7,939,283.52, 11,912,860.32 and 3,146,866.56

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Solution

The fourth proportional to 7,939,283.52, 11,912,860.32 and 3,146,866.56 is: 4,721,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,283.52 : 11,912,860.32 = 3,146,866.56 : x
  2. Step 2: Convert to fraction form
    7,939,283.52/11,912,860.32 = 3,146,866.56/x
  3. Step 3: Cross multiply
    7,939,283.52x = 11,912,860.32 × 3,146,866.56
  4. Step 4: Simplify right side
    7,939,283.52x = 37,488,181,774,958.90
  5. Step 5: Solve for x
    x = 37,488,181,774,958.90/7,939,283.52
  6. Step 6: Final answer
    x = 4,721,859.56

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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.