Finding the Fourth Proportional to 16,128,921.60, 24,193,382.40 and 14,897,203.20
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Solution
The fourth proportional to 16,128,921.60, 24,193,382.40 and 14,897,203.20 is: 22,345,804.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,921.60 : 24,193,382.40 = 14,897,203.20 : x - Step 2: Convert to fraction form
16,128,921.60/24,193,382.40 = 14,897,203.20/x - Step 3: Cross multiply
16,128,921.60x = 24,193,382.40 × 14,897,203.20 - Step 4: Simplify right side
16,128,921.60x = 360,413,733,708,103.62 - Step 5: Solve for x
x = 360,413,733,708,103.62/16,128,921.60 - Step 6: Final answer
x = 22,345,804.80
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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.