Finding the Fourth Proportional to 6,316,974.11, 8,717,430.10 and 3,416,364.99
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Solution
The fourth proportional to 6,316,974.11, 8,717,430.10 and 3,416,364.99 is: 4,714,586.83
Step by Step Solution
- Step 1: Write the proportion equation
6,316,974.11 : 8,717,430.10 = 3,416,364.99 : x - Step 2: Convert to fraction form
6,316,974.11/8,717,430.10 = 3,416,364.99/x - Step 3: Cross multiply
6,316,974.11x = 8,717,430.10 × 3,416,364.99 - Step 4: Simplify right side
6,316,974.11x = 29,781,922,935,743.23 - Step 5: Solve for x
x = 29,781,922,935,743.23/6,316,974.11 - Step 6: Final answer
x = 4,714,586.83
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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.