Finding the Fourth Proportional to 19,689,462.01, 29,534,193.02 and 5,312,529.80
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Solution
The fourth proportional to 19,689,462.01, 29,534,193.02 and 5,312,529.80 is: 7,968,794.70
Step by Step Solution
- Step 1: Write the proportion equation
19,689,462.01 : 29,534,193.02 = 5,312,529.80 : x - Step 2: Convert to fraction form
19,689,462.01/29,534,193.02 = 5,312,529.80/x - Step 3: Cross multiply
19,689,462.01x = 29,534,193.02 × 5,312,529.80 - Step 4: Simplify right side
19,689,462.01x = 156,901,280,514,065.59 - Step 5: Solve for x
x = 156,901,280,514,065.59/19,689,462.01 - Step 6: Final answer
x = 7,968,794.70
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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.