Finding the Fourth Proportional to 84,406,014.36, 126,606,659.58 and 26,901,736.20
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Solution
The fourth proportional to 84,406,014.36, 126,606,659.58 and 26,901,736.20 is: 40,351,851.50
Step by Step Solution
- Step 1: Write the proportion equation
84,406,014.36 : 126,606,659.58 = 26,901,736.20 : x - Step 2: Convert to fraction form
84,406,014.36/126,606,659.58 = 26,901,736.20/x - Step 3: Cross multiply
84,406,014.36x = 126,606,659.58 × 26,901,736.20 - Step 4: Simplify right side
84,406,014.36x = 3,405,938,957,184,362.50 - Step 5: Solve for x
x = 3,405,938,957,184,362.50/84,406,014.36 - Step 6: Final answer
x = 40,351,851.50
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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.