Home / 12,308,254.80-18,463,170.18-4,735,220.58

Finding the Fourth Proportional to 12,308,254.80, 18,463,170.18 and 4,735,220.58

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Solution

The fourth proportional to 12,308,254.80, 18,463,170.18 and 4,735,220.58 is: 7,103,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,254.80 : 18,463,170.18 = 4,735,220.58 : x
  2. Step 2: Convert to fraction form
    12,308,254.80/18,463,170.18 = 4,735,220.58/x
  3. Step 3: Cross multiply
    12,308,254.80x = 18,463,170.18 × 4,735,220.58
  4. Step 4: Simplify right side
    12,308,254.80x = 87,427,183,408,378.30
  5. Step 5: Solve for x
    x = 87,427,183,408,378.30/12,308,254.80
  6. Step 6: Final answer
    x = 7,103,134.02

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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.