Finding the Fourth Proportional to 13,126,347.36, 18,114,362.64 and 7,245,984.96
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Solution
The fourth proportional to 13,126,347.36, 18,114,362.64 and 7,245,984.96 is: 9,999,461.06
Step by Step Solution
- Step 1: Write the proportion equation
13,126,347.36 : 18,114,362.64 = 7,245,984.96 : x - Step 2: Convert to fraction form
13,126,347.36/18,114,362.64 = 7,245,984.96/x - Step 3: Cross multiply
13,126,347.36x = 18,114,362.64 × 7,245,984.96 - Step 4: Simplify right side
13,126,347.36x = 131,256,399,249,425.89 - Step 5: Solve for x
x = 131,256,399,249,425.89/13,126,347.36 - Step 6: Final answer
x = 9,999,461.06
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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.