Home / 13,890,954.45-20,837,219-4,307,695.41

Finding the Fourth Proportional to 13,890,954.45, 20,837,219 and 4,307,695.41

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Solution

The fourth proportional to 13,890,954.45, 20,837,219 and 4,307,695.41 is: 6,461,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,954.45 : 20,837,219 = 4,307,695.41 : x
  2. Step 2: Convert to fraction form
    13,890,954.45/20,837,219 = 4,307,695.41/x
  3. Step 3: Cross multiply
    13,890,954.45x = 20,837,219 × 4,307,695.41
  4. Step 4: Simplify right side
    13,890,954.45x = 89,760,392,643,464.80
  5. Step 5: Solve for x
    x = 89,760,392,643,464.80/13,890,954.45
  6. Step 6: Final answer
    x = 6,461,787.27

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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.