Home / 7,405,503.60-11,106,078.12-3,145,638

Finding the Fourth Proportional to 7,405,503.60, 11,106,078.12 and 3,145,638

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Solution

The fourth proportional to 7,405,503.60, 11,106,078.12 and 3,145,638 is: 4,717,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,503.60 : 11,106,078.12 = 3,145,638 : x
  2. Step 2: Convert to fraction form
    7,405,503.60/11,106,078.12 = 3,145,638/x
  3. Step 3: Cross multiply
    7,405,503.60x = 11,106,078.12 × 3,145,638
  4. Step 4: Simplify right side
    7,405,503.60x = 34,935,701,365,240.56
  5. Step 5: Solve for x
    x = 34,935,701,365,240.56/7,405,503.60
  6. Step 6: Final answer
    x = 4,717,532.16

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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.