Finding the Fourth Proportional to 13,614,408.29, 18,787,883.68 and 7,502,836.79
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Solution
The fourth proportional to 13,614,408.29, 18,787,883.68 and 7,502,836.79 is: 10,353,914.90
Step by Step Solution
- Step 1: Write the proportion equation
13,614,408.29 : 18,787,883.68 = 7,502,836.79 : x - Step 2: Convert to fraction form
13,614,408.29/18,787,883.68 = 7,502,836.79/x - Step 3: Cross multiply
13,614,408.29x = 18,787,883.68 × 7,502,836.79 - Step 4: Simplify right side
13,614,408.29x = 140,962,424,884,053.78 - Step 5: Solve for x
x = 140,962,424,884,053.78/13,614,408.29 - Step 6: Final answer
x = 10,353,914.90
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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.