Finding the Fourth Proportional to 12,994,203.60, 19,491,305.40 and 8,963,125.20
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Solution
The fourth proportional to 12,994,203.60, 19,491,305.40 and 8,963,125.20 is: 13,444,687.80
Step by Step Solution
- Step 1: Write the proportion equation
12,994,203.60 : 19,491,305.40 = 8,963,125.20 : x - Step 2: Convert to fraction form
12,994,203.60/19,491,305.40 = 8,963,125.20/x - Step 3: Cross multiply
12,994,203.60x = 19,491,305.40 × 8,963,125.20 - Step 4: Simplify right side
12,994,203.60x = 174,703,010,611,636.06 - Step 5: Solve for x
x = 174,703,010,611,636.06/12,994,203.60 - Step 6: Final answer
x = 13,444,687.80
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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.