Finding the Fourth Proportional to 16,443,638.40, 24,664,228.80 and 6,856,540.80
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Solution
The fourth proportional to 16,443,638.40, 24,664,228.80 and 6,856,540.80 is: 10,284,298.82
Step by Step Solution
- Step 1: Write the proportion equation
16,443,638.40 : 24,664,228.80 = 6,856,540.80 : x - Step 2: Convert to fraction form
16,443,638.40/24,664,228.80 = 6,856,540.80/x - Step 3: Cross multiply
16,443,638.40x = 24,664,228.80 × 6,856,540.80 - Step 4: Simplify right side
16,443,638.40x = 169,111,291,067,735.03 - Step 5: Solve for x
x = 169,111,291,067,735.03/16,443,638.40 - Step 6: Final answer
x = 10,284,298.82
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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.