Finding the Fourth Proportional to 14,973,027.74, 20,663,735.12 and 8,444,275.06
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Solution
The fourth proportional to 14,973,027.74, 20,663,735.12 and 8,444,275.06 is: 11,653,639.20
Step by Step Solution
- Step 1: Write the proportion equation
14,973,027.74 : 20,663,735.12 = 8,444,275.06 : x - Step 2: Convert to fraction form
14,973,027.74/20,663,735.12 = 8,444,275.06/x - Step 3: Cross multiply
14,973,027.74x = 20,663,735.12 × 8,444,275.06 - Step 4: Simplify right side
14,973,027.74x = 174,490,263,073,046.62 - Step 5: Solve for x
x = 174,490,263,073,046.62/14,973,027.74 - Step 6: Final answer
x = 11,653,639.20
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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.