Home / 13,481,466.89-20,222,347.95-3,896,928.45

Finding the Fourth Proportional to 13,481,466.89, 20,222,347.95 and 3,896,928.45

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Solution

The fourth proportional to 13,481,466.89, 20,222,347.95 and 3,896,928.45 is: 5,845,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,466.89 : 20,222,347.95 = 3,896,928.45 : x
  2. Step 2: Convert to fraction form
    13,481,466.89/20,222,347.95 = 3,896,928.45/x
  3. Step 3: Cross multiply
    13,481,466.89x = 20,222,347.95 × 3,896,928.45
  4. Step 4: Simplify right side
    13,481,466.89x = 78,805,043,052,154.17
  5. Step 5: Solve for x
    x = 78,805,043,052,154.17/13,481,466.89
  6. Step 6: Final answer
    x = 5,845,435.34

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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.