Finding the Fourth Proportional to 35,982,615.42, 53,973,879.39 and 11,721,502.71
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Solution
The fourth proportional to 35,982,615.42, 53,973,879.39 and 11,721,502.71 is: 17,582,239.82
Step by Step Solution
- Step 1: Write the proportion equation
35,982,615.42 : 53,973,879.39 = 11,721,502.71 : x - Step 2: Convert to fraction form
35,982,615.42/53,973,879.39 = 11,721,502.71/x - Step 3: Cross multiply
35,982,615.42x = 53,973,879.39 × 11,721,502.71 - Step 4: Simplify right side
35,982,615.42x = 632,654,973,539,098.25 - Step 5: Solve for x
x = 632,654,973,539,098.25/35,982,615.42 - Step 6: Final answer
x = 17,582,239.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.