Home / 19,555,343.82-26,991,335.03-13,362,897.06

Finding the Fourth Proportional to 19,555,343.82, 26,991,335.03 and 13,362,897.06

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Solution

The fourth proportional to 19,555,343.82, 26,991,335.03 and 13,362,897.06 is: 18,444,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555,343.82 : 26,991,335.03 = 13,362,897.06 : x
  2. Step 2: Convert to fraction form
    19,555,343.82/26,991,335.03 = 13,362,897.06/x
  3. Step 3: Cross multiply
    19,555,343.82x = 26,991,335.03 × 13,362,897.06
  4. Step 4: Simplify right side
    19,555,343.82x = 360,682,431,451,047.50
  5. Step 5: Solve for x
    x = 360,682,431,451,047.50/19,555,343.82
  6. Step 6: Final answer
    x = 18,444,187.67

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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.