Finding the Fourth Proportional to 19,586,423.70, 29,379,635.55 and 10,516,497.30
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Solution
The fourth proportional to 19,586,423.70, 29,379,635.55 and 10,516,497.30 is: 15,774,745.95
Step by Step Solution
- Step 1: Write the proportion equation
19,586,423.70 : 29,379,635.55 = 10,516,497.30 : x - Step 2: Convert to fraction form
19,586,423.70/29,379,635.55 = 10,516,497.30/x - Step 3: Cross multiply
19,586,423.70x = 29,379,635.55 × 10,516,497.30 - Step 4: Simplify right side
19,586,423.70x = 308,970,857,936,559.06 - Step 5: Solve for x
x = 308,970,857,936,559.06/19,586,423.70 - Step 6: Final answer
x = 15,774,745.95
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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.