Home / 12,928,592.63-19,344,986.01-10,362,023.21

Finding the Fourth Proportional to 12,928,592.63, 19,344,986.01 and 10,362,023.21

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Solution

The fourth proportional to 12,928,592.63, 19,344,986.01 and 10,362,023.21 is: 15,504,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,592.63 : 19,344,986.01 = 10,362,023.21 : x
  2. Step 2: Convert to fraction form
    12,928,592.63/19,344,986.01 = 10,362,023.21/x
  3. Step 3: Cross multiply
    12,928,592.63x = 19,344,986.01 × 10,362,023.21
  4. Step 4: Simplify right side
    12,928,592.63x = 200,453,193,936,020.38
  5. Step 5: Solve for x
    x = 200,453,193,936,020.38/12,928,592.63
  6. Step 6: Final answer
    x = 15,504,641.51

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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.