Finding the Fourth Proportional to 19,933,242.96, 29,902,359.44 and 7,801,139.88
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Solution
The fourth proportional to 19,933,242.96, 29,902,359.44 and 7,801,139.88 is: 11,702,686.27
Step by Step Solution
- Step 1: Write the proportion equation
19,933,242.96 : 29,902,359.44 = 7,801,139.88 : x - Step 2: Convert to fraction form
19,933,242.96/29,902,359.44 = 7,801,139.88/x - Step 3: Cross multiply
19,933,242.96x = 29,902,359.44 × 7,801,139.88 - Step 4: Simplify right side
19,933,242.96x = 233,272,488,733,478.47 - Step 5: Solve for x
x = 233,272,488,733,478.47/19,933,242.96 - Step 6: Final answer
x = 11,702,686.27
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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.