Finding the Fourth Proportional to 23,324,545.53, 32,188,555.80 and 12,728,618.15
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Solution
The fourth proportional to 23,324,545.53, 32,188,555.80 and 12,728,618.15 is: 17,565,865.75
Step by Step Solution
- Step 1: Write the proportion equation
23,324,545.53 : 32,188,555.80 = 12,728,618.15 : x - Step 2: Convert to fraction form
23,324,545.53/32,188,555.80 = 12,728,618.15/x - Step 3: Cross multiply
23,324,545.53x = 32,188,555.80 × 12,728,618.15 - Step 4: Simplify right side
23,324,545.53x = 409,715,835,417,225 - Step 5: Solve for x
x = 409,715,835,417,225/23,324,545.53 - Step 6: Final answer
x = 17,565,865.75
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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.