Finding the Fourth Proportional to 14,425,408, 19,907,685.12 and 7,986,880
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Solution
The fourth proportional to 14,425,408, 19,907,685.12 and 7,986,880 is: 11,022,238.83
Step by Step Solution
- Step 1: Write the proportion equation
14,425,408 : 19,907,685.12 = 7,986,880 : x - Step 2: Convert to fraction form
14,425,408/19,907,685.12 = 7,986,880/x - Step 3: Cross multiply
14,425,408x = 19,907,685.12 × 7,986,880 - Step 4: Simplify right side
14,425,408x = 159,000,292,131,225.59 - Step 5: Solve for x
x = 159,000,292,131,225.59/14,425,408 - Step 6: Final answer
x = 11,022,238.83
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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.