Finding the Fourth Proportional to 13,152,025.80, 19,728,038.70 and 3,696,409.80
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Solution
The fourth proportional to 13,152,025.80, 19,728,038.70 and 3,696,409.80 is: 5,544,614.70
Step by Step Solution
- Step 1: Write the proportion equation
13,152,025.80 : 19,728,038.70 = 3,696,409.80 : x - Step 2: Convert to fraction form
13,152,025.80/19,728,038.70 = 3,696,409.80/x - Step 3: Cross multiply
13,152,025.80x = 19,728,038.70 × 3,696,409.80 - Step 4: Simplify right side
13,152,025.80x = 72,922,915,585,459.25 - Step 5: Solve for x
x = 72,922,915,585,459.25/13,152,025.80 - Step 6: Final answer
x = 5,544,614.70
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1.5x scale
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.