Finding the Fourth Proportional to 8,422,827.47, 11,623,501.91 and 4,555,348.64
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Solution
The fourth proportional to 8,422,827.47, 11,623,501.91 and 4,555,348.64 is: 6,286,381.12
Step by Step Solution
- Step 1: Write the proportion equation
8,422,827.47 : 11,623,501.91 = 4,555,348.64 : x - Step 2: Convert to fraction form
8,422,827.47/11,623,501.91 = 4,555,348.64/x - Step 3: Cross multiply
8,422,827.47x = 11,623,501.91 × 4,555,348.64 - Step 4: Simplify right side
8,422,827.47x = 52,949,103,617,755.90 - Step 5: Solve for x
x = 52,949,103,617,755.90/8,422,827.47 - Step 6: Final answer
x = 6,286,381.12
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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.