Finding the Fourth Proportional to 27,349,919.91, 37,742,445.36 and 14,959,904.94
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Solution
The fourth proportional to 27,349,919.91, 37,742,445.36 and 14,959,904.94 is: 20,644,425.89
Step by Step Solution
- Step 1: Write the proportion equation
27,349,919.91 : 37,742,445.36 = 14,959,904.94 : x - Step 2: Convert to fraction form
27,349,919.91/37,742,445.36 = 14,959,904.94/x - Step 3: Cross multiply
27,349,919.91x = 37,742,445.36 × 14,959,904.94 - Step 4: Simplify right side
27,349,919.91x = 564,623,394,788,744 - Step 5: Solve for x
x = 564,623,394,788,744/27,349,919.91 - Step 6: Final answer
x = 20,644,425.89
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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.