Finding the Fourth Proportional to 9,051,261.09, 12,490,652.46 and 4,921,292.17
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Solution
The fourth proportional to 9,051,261.09, 12,490,652.46 and 4,921,292.17 is: 6,791,335.43
Step by Step Solution
- Step 1: Write the proportion equation
9,051,261.09 : 12,490,652.46 = 4,921,292.17 : x - Step 2: Convert to fraction form
9,051,261.09/12,490,652.46 = 4,921,292.17/x - Step 3: Cross multiply
9,051,261.09x = 12,490,652.46 × 4,921,292.17 - Step 4: Simplify right side
9,051,261.09x = 61,470,150,149,589.24 - Step 5: Solve for x
x = 61,470,150,149,589.24/9,051,261.09 - Step 6: Final answer
x = 6,791,335.43
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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.