Finding the Fourth Proportional to 8,323,406.66, 12,484,828.57 and 2,931,916.18
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Solution
The fourth proportional to 8,323,406.66, 12,484,828.57 and 2,931,916.18 is: 4,397,775.14
Step by Step Solution
- Step 1: Write the proportion equation
8,323,406.66 : 12,484,828.57 = 2,931,916.18 : x - Step 2: Convert to fraction form
8,323,406.66/12,484,828.57 = 2,931,916.18/x - Step 3: Cross multiply
8,323,406.66x = 12,484,828.57 × 2,931,916.18 - Step 4: Simplify right side
8,323,406.66x = 36,604,470,850,367.41 - Step 5: Solve for x
x = 36,604,470,850,367.41/8,323,406.66 - Step 6: Final answer
x = 4,397,775.14
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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.