Finding the Fourth Proportional to 11,238,148.19, 15,508,644.51 and 6,081,509.73
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Solution
The fourth proportional to 11,238,148.19, 15,508,644.51 and 6,081,509.73 is: 8,392,483.44
Step by Step Solution
- Step 1: Write the proportion equation
11,238,148.19 : 15,508,644.51 = 6,081,509.73 : x - Step 2: Convert to fraction form
11,238,148.19/15,508,644.51 = 6,081,509.73/x - Step 3: Cross multiply
11,238,148.19x = 15,508,644.51 × 6,081,509.73 - Step 4: Simplify right side
11,238,148.19x = 94,315,972,486,676.09 - Step 5: Solve for x
x = 94,315,972,486,676.09/11,238,148.19 - Step 6: Final answer
x = 8,392,483.44
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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.