Finding the Fourth Proportional to 19,364,604.70, 29,046,907.05 and 18,482,806.30
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Solution
The fourth proportional to 19,364,604.70, 29,046,907.05 and 18,482,806.30 is: 27,724,209.45
Step by Step Solution
- Step 1: Write the proportion equation
19,364,604.70 : 29,046,907.05 = 18,482,806.30 : x - Step 2: Convert to fraction form
19,364,604.70/29,046,907.05 = 18,482,806.30/x - Step 3: Cross multiply
19,364,604.70x = 29,046,907.05 × 18,482,806.30 - Step 4: Simplify right side
19,364,604.70x = 536,868,356,619,254.44 - Step 5: Solve for x
x = 536,868,356,619,254.44/19,364,604.70 - Step 6: Final answer
x = 27,724,209.45
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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.