Finding the Fourth Proportional to 13,133,493.48, 18,125,892.90 and 7,625,771.88
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Solution
The fourth proportional to 13,133,493.48, 18,125,892.90 and 7,625,771.88 is: 10,524,535.96
Step by Step Solution
- Step 1: Write the proportion equation
13,133,493.48 : 18,125,892.90 = 7,625,771.88 : x - Step 2: Convert to fraction form
13,133,493.48/18,125,892.90 = 7,625,771.88/x - Step 3: Cross multiply
13,133,493.48x = 18,125,892.90 × 7,625,771.88 - Step 4: Simplify right side
13,133,493.48x = 138,223,924,376,711.64 - Step 5: Solve for x
x = 138,223,924,376,711.64/13,133,493.48 - Step 6: Final answer
x = 10,524,535.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.