Finding the Fourth Proportional to 27,349,725.63, 37,742,735.08 and 14,790,780.27
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Solution
The fourth proportional to 27,349,725.63, 37,742,735.08 and 14,790,780.27 is: 20,411,338.27
Step by Step Solution
- Step 1: Write the proportion equation
27,349,725.63 : 37,742,735.08 = 14,790,780.27 : x - Step 2: Convert to fraction form
27,349,725.63/37,742,735.08 = 14,790,780.27/x - Step 3: Cross multiply
27,349,725.63x = 37,742,735.08 × 14,790,780.27 - Step 4: Simplify right side
27,349,725.63x = 558,244,501,357,100.81 - Step 5: Solve for x
x = 558,244,501,357,100.81/27,349,725.63 - Step 6: Final answer
x = 20,411,338.27
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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.