Home / 20,054,118.63-27,675,019.05-10,886,761.38

Finding the Fourth Proportional to 20,054,118.63, 27,675,019.05 and 10,886,761.38

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Solution

The fourth proportional to 20,054,118.63, 27,675,019.05 and 10,886,761.38 is: 15,023,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,118.63 : 27,675,019.05 = 10,886,761.38 : x
  2. Step 2: Convert to fraction form
    20,054,118.63/27,675,019.05 = 10,886,761.38/x
  3. Step 3: Cross multiply
    20,054,118.63x = 27,675,019.05 × 10,886,761.38
  4. Step 4: Simplify right side
    20,054,118.63x = 301,291,328,584,304.31
  5. Step 5: Solve for x
    x = 301,291,328,584,304.31/20,054,118.63
  6. Step 6: Final answer
    x = 15,023,912.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.