Finding the Fourth Proportional to 13,064,027.42, 18,029,505.62 and 7,184,696.68
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Solution
The fourth proportional to 13,064,027.42, 18,029,505.62 and 7,184,696.68 is: 9,915,512.65
Step by Step Solution
- Step 1: Write the proportion equation
13,064,027.42 : 18,029,505.62 = 7,184,696.68 : x - Step 2: Convert to fraction form
13,064,027.42/18,029,505.62 = 7,184,696.68/x - Step 3: Cross multiply
13,064,027.42x = 18,029,505.62 × 7,184,696.68 - Step 4: Simplify right side
13,064,027.42x = 129,536,529,043,984.31 - Step 5: Solve for x
x = 129,536,529,043,984.31/13,064,027.42 - Step 6: Final answer
x = 9,915,512.65
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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.