Finding the Fourth Proportional to 16,128,045.90, 24,192,068.85 and 14,028,525.90
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Solution
The fourth proportional to 16,128,045.90, 24,192,068.85 and 14,028,525.90 is: 21,042,788.85
Step by Step Solution
- Step 1: Write the proportion equation
16,128,045.90 : 24,192,068.85 = 14,028,525.90 : x - Step 2: Convert to fraction form
16,128,045.90/24,192,068.85 = 14,028,525.90/x - Step 3: Cross multiply
16,128,045.90x = 24,192,068.85 × 14,028,525.90 - Step 4: Simplify right side
16,128,045.90x = 339,379,064,436,808.25 - Step 5: Solve for x
x = 339,379,064,436,808.25/16,128,045.90 - Step 6: Final answer
x = 21,042,788.85
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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.