Finding the Fourth Proportional to 7,073,625.63, 9,762,637.13 and 3,976,404.09
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Solution
The fourth proportional to 7,073,625.63, 9,762,637.13 and 3,976,404.09 is: 5,488,018.76
Step by Step Solution
- Step 1: Write the proportion equation
7,073,625.63 : 9,762,637.13 = 3,976,404.09 : x - Step 2: Convert to fraction form
7,073,625.63/9,762,637.13 = 3,976,404.09/x - Step 3: Cross multiply
7,073,625.63x = 9,762,637.13 × 3,976,404.09 - Step 4: Simplify right side
7,073,625.63x = 38,820,190,193,035.84 - Step 5: Solve for x
x = 38,820,190,193,035.84/7,073,625.63 - Step 6: Final answer
x = 5,488,018.76
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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.