Finding the Fourth Proportional to 13,474,713.34, 18,595,152.75 and 7,363,141.84
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Solution
The fourth proportional to 13,474,713.34, 18,595,152.75 and 7,363,141.84 is: 10,161,162.15
Step by Step Solution
- Step 1: Write the proportion equation
13,474,713.34 : 18,595,152.75 = 7,363,141.84 : x - Step 2: Convert to fraction form
13,474,713.34/18,595,152.75 = 7,363,141.84/x - Step 3: Cross multiply
13,474,713.34x = 18,595,152.75 × 7,363,141.84 - Step 4: Simplify right side
13,474,713.34x = 136,918,747,234,716.06 - Step 5: Solve for x
x = 136,918,747,234,716.06/13,474,713.34 - Step 6: Final answer
x = 10,161,162.15
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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.