Finding the Fourth Proportional to 16,292,039.60, 24,453,805.80 and 8,214,136.40
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Solution
The fourth proportional to 16,292,039.60, 24,453,805.80 and 8,214,136.40 is: 12,329,143.64
Step by Step Solution
- Step 1: Write the proportion equation
16,292,039.60 : 24,453,805.80 = 8,214,136.40 : x - Step 2: Convert to fraction form
16,292,039.60/24,453,805.80 = 8,214,136.40/x - Step 3: Cross multiply
16,292,039.60x = 24,453,805.80 × 8,214,136.40 - Step 4: Simplify right side
16,292,039.60x = 200,866,896,340,311.12 - Step 5: Solve for x
x = 200,866,896,340,311.12/16,292,039.60 - Step 6: Final answer
x = 12,329,143.64
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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.