Finding the Fourth Proportional to 8,317,672.80, 12,482,038.80 and 4,723,432.80
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Solution
The fourth proportional to 8,317,672.80, 12,482,038.80 and 4,723,432.80 is: 7,088,289.34
Step by Step Solution
- Step 1: Write the proportion equation
8,317,672.80 : 12,482,038.80 = 4,723,432.80 : x - Step 2: Convert to fraction form
8,317,672.80/12,482,038.80 = 4,723,432.80/x - Step 3: Cross multiply
8,317,672.80x = 12,482,038.80 × 4,723,432.80 - Step 4: Simplify right side
8,317,672.80x = 58,958,071,478,792.64 - Step 5: Solve for x
x = 58,958,071,478,792.64/8,317,672.80 - Step 6: Final answer
x = 7,088,289.34
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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.