Home / 18,907,203.30-28,360,804.95-12,450,195.15

Finding the Fourth Proportional to 18,907,203.30, 28,360,804.95 and 12,450,195.15

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Solution

The fourth proportional to 18,907,203.30, 28,360,804.95 and 12,450,195.15 is: 18,675,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,203.30 : 28,360,804.95 = 12,450,195.15 : x
  2. Step 2: Convert to fraction form
    18,907,203.30/28,360,804.95 = 12,450,195.15/x
  3. Step 3: Cross multiply
    18,907,203.30x = 28,360,804.95 × 12,450,195.15
  4. Step 4: Simplify right side
    18,907,203.30x = 353,097,556,238,586
  5. Step 5: Solve for x
    x = 353,097,556,238,586/18,907,203.30
  6. Step 6: Final answer
    x = 18,675,292.73

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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.