Finding the Fourth Proportional to 8,457,928.68, 11,671,952.85 and 4,590,449.84
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Solution
The fourth proportional to 8,457,928.68, 11,671,952.85 and 4,590,449.84 is: 6,334,826.90
Step by Step Solution
- Step 1: Write the proportion equation
8,457,928.68 : 11,671,952.85 = 4,590,449.84 : x - Step 2: Convert to fraction form
8,457,928.68/11,671,952.85 = 4,590,449.84/x - Step 3: Cross multiply
8,457,928.68x = 11,671,952.85 × 4,590,449.84 - Step 4: Simplify right side
8,457,928.68x = 53,579,514,109,161.67 - Step 5: Solve for x
x = 53,579,514,109,161.67/8,457,928.68 - Step 6: Final answer
x = 6,334,826.90
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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.