Finding the Fourth Proportional to 19,566,124.38, 29,217,426.84 and 15,979,006.98
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Solution
The fourth proportional to 19,566,124.38, 29,217,426.84 and 15,979,006.98 is: 23,860,906.65
Step by Step Solution
- Step 1: Write the proportion equation
19,566,124.38 : 29,217,426.84 = 15,979,006.98 : x - Step 2: Convert to fraction form
19,566,124.38/29,217,426.84 = 15,979,006.98/x - Step 3: Cross multiply
19,566,124.38x = 29,217,426.84 × 15,979,006.98 - Step 4: Simplify right side
19,566,124.38x = 466,865,467,413,999.38 - Step 5: Solve for x
x = 466,865,467,413,999.38/19,566,124.38 - Step 6: Final answer
x = 23,860,906.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.