Finding the Fourth Proportional to 19,824,537.07, 29,736,807.43 and 7,045,546.15
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Solution
The fourth proportional to 19,824,537.07, 29,736,807.43 and 7,045,546.15 is: 10,568,319.87
Step by Step Solution
- Step 1: Write the proportion equation
19,824,537.07 : 29,736,807.43 = 7,045,546.15 : x - Step 2: Convert to fraction form
19,824,537.07/29,736,807.43 = 7,045,546.15/x - Step 3: Cross multiply
19,824,537.07x = 29,736,807.43 × 7,045,546.15 - Step 4: Simplify right side
19,824,537.07x = 209,512,049,134,495.44 - Step 5: Solve for x
x = 209,512,049,134,495.44/19,824,537.07 - Step 6: Final answer
x = 10,568,319.87
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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.