Finding the Fourth Proportional to 12,832,472.12, 19,248,708.18 and 4,312,808.60
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Solution
The fourth proportional to 12,832,472.12, 19,248,708.18 and 4,312,808.60 is: 6,469,212.90
Step by Step Solution
- Step 1: Write the proportion equation
12,832,472.12 : 19,248,708.18 = 4,312,808.60 : x - Step 2: Convert to fraction form
12,832,472.12/19,248,708.18 = 4,312,808.60/x - Step 3: Cross multiply
12,832,472.12x = 19,248,708.18 × 4,312,808.60 - Step 4: Simplify right side
12,832,472.12x = 83,015,994,177,594.34 - Step 5: Solve for x
x = 83,015,994,177,594.34/12,832,472.12 - Step 6: Final answer
x = 6,469,212.90
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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.