Finding the Fourth Proportional to 13,174,312.77, 18,182,460.96 and 7,591,473.09
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Solution
The fourth proportional to 13,174,312.77, 18,182,460.96 and 7,591,473.09 is: 10,477,333.09
Step by Step Solution
- Step 1: Write the proportion equation
13,174,312.77 : 18,182,460.96 = 7,591,473.09 : x - Step 2: Convert to fraction form
13,174,312.77/18,182,460.96 = 7,591,473.09/x - Step 3: Cross multiply
13,174,312.77x = 18,182,460.96 × 7,591,473.09 - Step 4: Simplify right side
13,174,312.77x = 138,031,663,114,293.03 - Step 5: Solve for x
x = 138,031,663,114,293.03/13,174,312.77 - Step 6: Final answer
x = 10,477,333.09
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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.