Home / 12,801,975.32-19,182,738.50-10,394,055.38

Finding the Fourth Proportional to 12,801,975.32, 19,182,738.50 and 10,394,055.38

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Solution

The fourth proportional to 12,801,975.32, 19,182,738.50 and 10,394,055.38 is: 15,574,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,975.32 : 19,182,738.50 = 10,394,055.38 : x
  2. Step 2: Convert to fraction form
    12,801,975.32/19,182,738.50 = 10,394,055.38/x
  3. Step 3: Cross multiply
    12,801,975.32x = 19,182,738.50 × 10,394,055.38
  4. Step 4: Simplify right side
    12,801,975.32x = 199,386,446,309,058.16
  5. Step 5: Solve for x
    x = 199,386,446,309,058.16/12,801,975.32
  6. Step 6: Final answer
    x = 15,574,662.61

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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.