Finding the Fourth Proportional to 16,128,548.10, 24,159,644.55 and 8,154,864.90
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Solution
The fourth proportional to 16,128,548.10, 24,159,644.55 and 8,154,864.90 is: 12,215,522.20
Step by Step Solution
- Step 1: Write the proportion equation
16,128,548.10 : 24,159,644.55 = 8,154,864.90 : x - Step 2: Convert to fraction form
16,128,548.10/24,159,644.55 = 8,154,864.90/x - Step 3: Cross multiply
16,128,548.10x = 24,159,644.55 × 8,154,864.90 - Step 4: Simplify right side
16,128,548.10x = 197,018,637,337,271.31 - Step 5: Solve for x
x = 197,018,637,337,271.31/16,128,548.10 - Step 6: Final answer
x = 12,215,522.20
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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.