Finding the Fourth Proportional to 22,956,724.96, 31,681,713.24 and 12,643,445.44
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Solution
The fourth proportional to 22,956,724.96, 31,681,713.24 and 12,643,445.44 is: 17,448,743.82
Step by Step Solution
- Step 1: Write the proportion equation
22,956,724.96 : 31,681,713.24 = 12,643,445.44 : x - Step 2: Convert to fraction form
22,956,724.96/31,681,713.24 = 12,643,445.44/x - Step 3: Cross multiply
22,956,724.96x = 31,681,713.24 × 12,643,445.44 - Step 4: Simplify right side
22,956,724.96x = 400,566,012,795,665.56 - Step 5: Solve for x
x = 400,566,012,795,665.56/22,956,724.96 - Step 6: Final answer
x = 17,448,743.82
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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.