Home / 13,890,955.45-20,837,220.50-4,307,696.41

Finding the Fourth Proportional to 13,890,955.45, 20,837,220.50 and 4,307,696.41

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Solution

The fourth proportional to 13,890,955.45, 20,837,220.50 and 4,307,696.41 is: 6,461,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,955.45 : 20,837,220.50 = 4,307,696.41 : x
  2. Step 2: Convert to fraction form
    13,890,955.45/20,837,220.50 = 4,307,696.41/x
  3. Step 3: Cross multiply
    13,890,955.45x = 20,837,220.50 × 4,307,696.41
  4. Step 4: Simplify right side
    13,890,955.45x = 89,760,419,942,228.41
  5. Step 5: Solve for x
    x = 89,760,419,942,228.41/13,890,955.45
  6. Step 6: Final answer
    x = 6,461,788.77

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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.