Finding the Fourth Proportional to 16,128,611.60, 24,159,739.80 and 11,085,616.40
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Solution
The fourth proportional to 16,128,611.60, 24,159,739.80 and 11,085,616.40 is: 16,605,620.77
Step by Step Solution
- Step 1: Write the proportion equation
16,128,611.60 : 24,159,739.80 = 11,085,616.40 : x - Step 2: Convert to fraction form
16,128,611.60/24,159,739.80 = 11,085,616.40/x - Step 3: Cross multiply
16,128,611.60x = 24,159,739.80 × 11,085,616.40 - Step 4: Simplify right side
16,128,611.60x = 267,825,607,746,612.75 - Step 5: Solve for x
x = 267,825,607,746,612.75/16,128,611.60 - Step 6: Final answer
x = 16,605,620.77
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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.