Finding the Fourth Proportional to 16,129,117.60, 24,193,676.40 and 9,326,672.80
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Solution
The fourth proportional to 16,129,117.60, 24,193,676.40 and 9,326,672.80 is: 13,990,009.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,117.60 : 24,193,676.40 = 9,326,672.80 : x - Step 2: Convert to fraction form
16,129,117.60/24,193,676.40 = 9,326,672.80/x - Step 3: Cross multiply
16,129,117.60x = 24,193,676.40 × 9,326,672.80 - Step 4: Simplify right side
16,129,117.60x = 225,646,503,611,881.94 - Step 5: Solve for x
x = 225,646,503,611,881.94/16,129,117.60 - Step 6: Final answer
x = 13,990,009.20
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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.