Finding the Fourth Proportional to 16,128,461.60, 24,228,737.20 and 13,474,253.60
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Solution
The fourth proportional to 16,128,461.60, 24,228,737.20 and 13,474,253.60 is: 20,241,493.43
Step by Step Solution
- Step 1: Write the proportion equation
16,128,461.60 : 24,228,737.20 = 13,474,253.60 : x - Step 2: Convert to fraction form
16,128,461.60/24,228,737.20 = 13,474,253.60/x - Step 3: Cross multiply
16,128,461.60x = 24,228,737.20 × 13,474,253.60 - Step 4: Simplify right side
16,128,461.60x = 326,464,149,440,553.88 - Step 5: Solve for x
x = 326,464,149,440,553.88/16,128,461.60 - Step 6: Final answer
x = 20,241,493.43
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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.