Finding the Fourth Proportional to 8,264,154.81, 12,397,515.71 and 4,218,453.58
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Solution
The fourth proportional to 8,264,154.81, 12,397,515.71 and 4,218,453.58 is: 6,328,335.52
Step by Step Solution
- Step 1: Write the proportion equation
8,264,154.81 : 12,397,515.71 = 4,218,453.58 : x - Step 2: Convert to fraction form
8,264,154.81/12,397,515.71 = 4,218,453.58/x - Step 3: Cross multiply
8,264,154.81x = 12,397,515.71 × 4,218,453.58 - Step 4: Simplify right side
8,264,154.81x = 52,298,344,446,875.90 - Step 5: Solve for x
x = 52,298,344,446,875.90/8,264,154.81 - Step 6: Final answer
x = 6,328,335.52
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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.