Finding the Fourth Proportional to 9,051,251.08, 12,490,638.68 and 4,921,282.18
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Solution
The fourth proportional to 9,051,251.08, 12,490,638.68 and 4,921,282.18 is: 6,791,321.66
Step by Step Solution
- Step 1: Write the proportion equation
9,051,251.08 : 12,490,638.68 = 4,921,282.18 : x - Step 2: Convert to fraction form
9,051,251.08/12,490,638.68 = 4,921,282.18/x - Step 3: Cross multiply
9,051,251.08x = 12,490,638.68 × 4,921,282.18 - Step 4: Simplify right side
9,051,251.08x = 61,469,957,522,335.52 - Step 5: Solve for x
x = 61,469,957,522,335.52/9,051,251.08 - Step 6: Final answer
x = 6,791,321.66
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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.