Finding the Fourth Proportional to 13,245,316.56, 18,292,415.76 and 9,126,058.32
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Solution
The fourth proportional to 13,245,316.56, 18,292,415.76 and 9,126,058.32 is: 12,603,523.09
Step by Step Solution
- Step 1: Write the proportion equation
13,245,316.56 : 18,292,415.76 = 9,126,058.32 : x - Step 2: Convert to fraction form
13,245,316.56/18,292,415.76 = 9,126,058.32/x - Step 3: Cross multiply
13,245,316.56x = 18,292,415.76 × 9,126,058.32 - Step 4: Simplify right side
13,245,316.56x = 166,937,653,039,447.16 - Step 5: Solve for x
x = 166,937,653,039,447.16/13,245,316.56 - Step 6: Final answer
x = 12,603,523.09
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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.