Finding the Fourth Proportional to 23,202,235.12, 32,019,067.80 and 12,889,922.80
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Solution
The fourth proportional to 23,202,235.12, 32,019,067.80 and 12,889,922.80 is: 17,788,084.21
Step by Step Solution
- Step 1: Write the proportion equation
23,202,235.12 : 32,019,067.80 = 12,889,922.80 : x - Step 2: Convert to fraction form
23,202,235.12/32,019,067.80 = 12,889,922.80/x - Step 3: Cross multiply
23,202,235.12x = 32,019,067.80 × 12,889,922.80 - Step 4: Simplify right side
23,202,235.12x = 412,723,312,069,965.88 - Step 5: Solve for x
x = 412,723,312,069,965.88/23,202,235.12 - Step 6: Final answer
x = 17,788,084.21
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1.5x scale
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.