Finding the Fourth Proportional to 10,478,266.12, 14,452,212.70 and 9,252,408.88
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Solution
The fourth proportional to 10,478,266.12, 14,452,212.70 and 9,252,408.88 is: 12,761,441.60
Step by Step Solution
- Step 1: Write the proportion equation
10,478,266.12 : 14,452,212.70 = 9,252,408.88 : x - Step 2: Convert to fraction form
10,478,266.12/14,452,212.70 = 9,252,408.88/x - Step 3: Cross multiply
10,478,266.12x = 14,452,212.70 × 9,252,408.88 - Step 4: Simplify right side
10,478,266.12x = 133,717,781,121,128.78 - Step 5: Solve for x
x = 133,717,781,121,128.78/10,478,266.12 - Step 6: Final answer
x = 12,761,441.60
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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.