Home / 21,351,283.31-32,036,684.47-11,621,320.31

Finding the Fourth Proportional to 21,351,283.31, 32,036,684.47 and 11,621,320.31

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Solution

The fourth proportional to 21,351,283.31, 32,036,684.47 and 11,621,320.31 is: 17,437,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,283.31 : 32,036,684.47 = 11,621,320.31 : x
  2. Step 2: Convert to fraction form
    21,351,283.31/32,036,684.47 = 11,621,320.31/x
  3. Step 3: Cross multiply
    21,351,283.31x = 32,036,684.47 × 11,621,320.31
  4. Step 4: Simplify right side
    21,351,283.31x = 372,308,571,947,311
  5. Step 5: Solve for x
    x = 372,308,571,947,311/21,351,283.31
  6. Step 6: Final answer
    x = 17,437,292.48

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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.