Home / 13,509,664.49-20,265,742.46-4,411,809.74

Finding the Fourth Proportional to 13,509,664.49, 20,265,742.46 and 4,411,809.74

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Solution

The fourth proportional to 13,509,664.49, 20,265,742.46 and 4,411,809.74 is: 6,618,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,664.49 : 20,265,742.46 = 4,411,809.74 : x
  2. Step 2: Convert to fraction form
    13,509,664.49/20,265,742.46 = 4,411,809.74/x
  3. Step 3: Cross multiply
    13,509,664.49x = 20,265,742.46 × 4,411,809.74
  4. Step 4: Simplify right side
    13,509,664.49x = 89,408,599,973,359.56
  5. Step 5: Solve for x
    x = 89,408,599,973,359.56/13,509,664.49
  6. Step 6: Final answer
    x = 6,618,121.42

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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.