Finding the Fourth Proportional to 16,381,805.60, 24,588,454.80 and 8,303,902.40
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Solution
The fourth proportional to 16,381,805.60, 24,588,454.80 and 8,303,902.40 is: 12,463,835.42
Step by Step Solution
- Step 1: Write the proportion equation
16,381,805.60 : 24,588,454.80 = 8,303,902.40 : x - Step 2: Convert to fraction form
16,381,805.60/24,588,454.80 = 8,303,902.40/x - Step 3: Cross multiply
16,381,805.60x = 24,588,454.80 × 8,303,902.40 - Step 4: Simplify right side
16,381,805.60x = 204,180,128,826,011.53 - Step 5: Solve for x
x = 204,180,128,826,011.53/16,381,805.60 - Step 6: Final answer
x = 12,463,835.42
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1.5x scale
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.