Finding the Fourth Proportional to 15,096,545.12, 20,830,464.82 and 8,903,529.74
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Solution
The fourth proportional to 15,096,545.12, 20,830,464.82 and 8,903,529.74 is: 12,285,238.88
Step by Step Solution
- Step 1: Write the proportion equation
15,096,545.12 : 20,830,464.82 = 8,903,529.74 : x - Step 2: Convert to fraction form
15,096,545.12/20,830,464.82 = 8,903,529.74/x - Step 3: Cross multiply
15,096,545.12x = 20,830,464.82 × 8,903,529.74 - Step 4: Simplify right side
15,096,545.12x = 185,464,663,022,893.75 - Step 5: Solve for x
x = 185,464,663,022,893.75/15,096,545.12 - Step 6: Final answer
x = 12,285,238.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.