Finding the Fourth Proportional to 8,317,210.05, 12,457,152.68 and 6,824,218.05
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Solution
The fourth proportional to 8,317,210.05, 12,457,152.68 and 6,824,218.05 is: 10,221,014.69
Step by Step Solution
- Step 1: Write the proportion equation
8,317,210.05 : 12,457,152.68 = 6,824,218.05 : x - Step 2: Convert to fraction form
8,317,210.05/12,457,152.68 = 6,824,218.05/x - Step 3: Cross multiply
8,317,210.05x = 12,457,152.68 × 6,824,218.05 - Step 4: Simplify right side
8,317,210.05x = 85,010,326,136,340.78 - Step 5: Solve for x
x = 85,010,326,136,340.78/8,317,210.05 - Step 6: Final answer
x = 10,221,014.69
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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.