Finding the Fourth Proportional to 9,698,992.13, 13,384,128.16 and 5,512,129.62
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Solution
The fourth proportional to 9,698,992.13, 13,384,128.16 and 5,512,129.62 is: 7,606,465.53
Step by Step Solution
- Step 1: Write the proportion equation
9,698,992.13 : 13,384,128.16 = 5,512,129.62 : x - Step 2: Convert to fraction form
9,698,992.13/13,384,128.16 = 5,512,129.62/x - Step 3: Cross multiply
9,698,992.13x = 13,384,128.16 × 5,512,129.62 - Step 4: Simplify right side
9,698,992.13x = 73,775,049,268,612.09 - Step 5: Solve for x
x = 73,775,049,268,612.09/9,698,992.13 - Step 6: Final answer
x = 7,606,465.53
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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.