Finding the Fourth Proportional to 15,213,178.97, 22,819,943.75 and 5,498,529.75
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Solution
The fourth proportional to 15,213,178.97, 22,819,943.75 and 5,498,529.75 is: 8,247,857.98
Step by Step Solution
- Step 1: Write the proportion equation
15,213,178.97 : 22,819,943.75 = 5,498,529.75 : x - Step 2: Convert to fraction form
15,213,178.97/22,819,943.75 = 5,498,529.75/x - Step 3: Cross multiply
15,213,178.97x = 22,819,943.75 × 5,498,529.75 - Step 4: Simplify right side
15,213,178.97x = 125,476,139,575,208.92 - Step 5: Solve for x
x = 125,476,139,575,208.92/15,213,178.97 - Step 6: Final answer
x = 8,247,857.98
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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.