Home / 26,631,187.86-36,751,047.12-15,031,208.64

Finding the Fourth Proportional to 26,631,187.86, 36,751,047.12 and 15,031,208.64

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Solution

The fourth proportional to 26,631,187.86, 36,751,047.12 and 15,031,208.64 is: 20,743,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631,187.86 : 36,751,047.12 = 15,031,208.64 : x
  2. Step 2: Convert to fraction form
    26,631,187.86/36,751,047.12 = 15,031,208.64/x
  3. Step 3: Cross multiply
    26,631,187.86x = 36,751,047.12 × 15,031,208.64
  4. Step 4: Simplify right side
    26,631,187.86x = 552,412,656,999,191.12
  5. Step 5: Solve for x
    x = 552,412,656,999,191.12/26,631,187.86
  6. Step 6: Final answer
    x = 20,743,072.37

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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.