Finding the Fourth Proportional to 14,433,494.54, 19,918,220.81 and 8,632,275.35
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Solution
The fourth proportional to 14,433,494.54, 19,918,220.81 and 8,632,275.35 is: 11,912,538.99
Step by Step Solution
- Step 1: Write the proportion equation
14,433,494.54 : 19,918,220.81 = 8,632,275.35 : x - Step 2: Convert to fraction form
14,433,494.54/19,918,220.81 = 8,632,275.35/x - Step 3: Cross multiply
14,433,494.54x = 19,918,220.81 × 8,632,275.35 - Step 4: Simplify right side
14,433,494.54x = 171,939,566,514,020 - Step 5: Solve for x
x = 171,939,566,514,020/14,433,494.54 - Step 6: Final answer
x = 11,912,538.99
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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.