Finding the Fourth Proportional to 19,364,555.70, 29,046,833.55 and 18,482,757.30
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Solution
The fourth proportional to 19,364,555.70, 29,046,833.55 and 18,482,757.30 is: 27,724,135.95
Step by Step Solution
- Step 1: Write the proportion equation
19,364,555.70 : 29,046,833.55 = 18,482,757.30 : x - Step 2: Convert to fraction form
19,364,555.70/29,046,833.55 = 18,482,757.30/x - Step 3: Cross multiply
19,364,555.70x = 29,046,833.55 × 18,482,757.30 - Step 4: Simplify right side
19,364,555.70x = 536,865,574,838,147.44 - Step 5: Solve for x
x = 536,865,574,838,147.44/19,364,555.70 - Step 6: Final answer
x = 27,724,135.95
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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.