Finding the Fourth Proportional to 27,608,454.24, 41,412,788.28 and 8,439,136.80
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Solution
The fourth proportional to 27,608,454.24, 41,412,788.28 and 8,439,136.80 is: 12,658,737.88
Step by Step Solution
- Step 1: Write the proportion equation
27,608,454.24 : 41,412,788.28 = 8,439,136.80 : x - Step 2: Convert to fraction form
27,608,454.24/41,412,788.28 = 8,439,136.80/x - Step 3: Cross multiply
27,608,454.24x = 41,412,788.28 × 8,439,136.80 - Step 4: Simplify right side
27,608,454.24x = 349,488,185,564,356.75 - Step 5: Solve for x
x = 349,488,185,564,356.75/27,608,454.24 - Step 6: Final answer
x = 12,658,737.88
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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.