Home / 12,303,956.20-18,450,404.70-4,728,404.20

Finding the Fourth Proportional to 12,303,956.20, 18,450,404.70 and 4,728,404.20

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Solution

The fourth proportional to 12,303,956.20, 18,450,404.70 and 4,728,404.20 is: 7,090,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,956.20 : 18,450,404.70 = 4,728,404.20 : x
  2. Step 2: Convert to fraction form
    12,303,956.20/18,450,404.70 = 4,728,404.20/x
  3. Step 3: Cross multiply
    12,303,956.20x = 18,450,404.70 × 4,728,404.20
  4. Step 4: Simplify right side
    12,303,956.20x = 87,240,971,075,179.73
  5. Step 5: Solve for x
    x = 87,240,971,075,179.73/12,303,956.20
  6. Step 6: Final answer
    x = 7,090,481.28

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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.