Finding the Fourth Proportional to 14,478,888.44, 19,973,475.42 and 9,246,396.44
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Solution
The fourth proportional to 14,478,888.44, 19,973,475.42 and 9,246,396.44 is: 12,755,307.34
Step by Step Solution
- Step 1: Write the proportion equation
14,478,888.44 : 19,973,475.42 = 9,246,396.44 : x - Step 2: Convert to fraction form
14,478,888.44/19,973,475.42 = 9,246,396.44/x - Step 3: Cross multiply
14,478,888.44x = 19,973,475.42 × 9,246,396.44 - Step 4: Simplify right side
14,478,888.44x = 184,682,672,017,915.50 - Step 5: Solve for x
x = 184,682,672,017,915.50/14,478,888.44 - Step 6: Final answer
x = 12,755,307.34
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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.