Finding the Fourth Proportional to 14,731,407.12, 20,330,363.56 and 8,930,433.36
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Solution
The fourth proportional to 14,731,407.12, 20,330,363.56 and 8,930,433.36 is: 12,324,617.43
Step by Step Solution
- Step 1: Write the proportion equation
14,731,407.12 : 20,330,363.56 = 8,930,433.36 : x - Step 2: Convert to fraction form
14,731,407.12/20,330,363.56 = 8,930,433.36/x - Step 3: Cross multiply
14,731,407.12x = 20,330,363.56 × 8,930,433.36 - Step 4: Simplify right side
14,731,407.12x = 181,558,956,957,152.34 - Step 5: Solve for x
x = 181,558,956,957,152.34/14,731,407.12 - Step 6: Final answer
x = 12,324,617.43
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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.