Finding the Fourth Proportional to 21,559,175.98, 29,751,593.16 and 11,769,741.16
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Solution
The fourth proportional to 21,559,175.98, 29,751,593.16 and 11,769,741.16 is: 16,242,204.75
Step by Step Solution
- Step 1: Write the proportion equation
21,559,175.98 : 29,751,593.16 = 11,769,741.16 : x - Step 2: Convert to fraction form
21,559,175.98/29,751,593.16 = 11,769,741.16/x - Step 3: Cross multiply
21,559,175.98x = 29,751,593.16 × 11,769,741.16 - Step 4: Simplify right side
21,559,175.98x = 350,168,550,590,826.50 - Step 5: Solve for x
x = 350,168,550,590,826.50/21,559,175.98 - Step 6: Final answer
x = 16,242,204.75
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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.