Finding the Fourth Proportional to 12,195,994.58, 16,830,496.58 and 6,689,414.26
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Solution
The fourth proportional to 12,195,994.58, 16,830,496.58 and 6,689,414.26 is: 9,231,404.88
Step by Step Solution
- Step 1: Write the proportion equation
12,195,994.58 : 16,830,496.58 = 6,689,414.26 : x - Step 2: Convert to fraction form
12,195,994.58/16,830,496.58 = 6,689,414.26/x - Step 3: Cross multiply
12,195,994.58x = 16,830,496.58 × 6,689,414.26 - Step 4: Simplify right side
12,195,994.58x = 112,586,163,869,162.88 - Step 5: Solve for x
x = 112,586,163,869,162.88/12,195,994.58 - Step 6: Final answer
x = 9,231,404.88
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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.