Finding the Fourth Proportional to 14,460,691.06, 19,956,120.93 and 7,934,318.79
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Solution
The fourth proportional to 14,460,691.06, 19,956,120.93 and 7,934,318.79 is: 10,949,561.44
Step by Step Solution
- Step 1: Write the proportion equation
14,460,691.06 : 19,956,120.93 = 7,934,318.79 : x - Step 2: Convert to fraction form
14,460,691.06/19,956,120.93 = 7,934,318.79/x - Step 3: Cross multiply
14,460,691.06x = 19,956,120.93 × 7,934,318.79 - Step 4: Simplify right side
14,460,691.06x = 158,338,225,296,508.12 - Step 5: Solve for x
x = 158,338,225,296,508.12/14,460,691.06 - Step 6: Final answer
x = 10,949,561.44
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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.