Finding the Fourth Proportional to 16,185,893.90, 24,278,840.85 and 15,439,397.90
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Solution
The fourth proportional to 16,185,893.90, 24,278,840.85 and 15,439,397.90 is: 23,159,096.85
Step by Step Solution
- Step 1: Write the proportion equation
16,185,893.90 : 24,278,840.85 = 15,439,397.90 : x - Step 2: Convert to fraction form
16,185,893.90/24,278,840.85 = 15,439,397.90/x - Step 3: Cross multiply
16,185,893.90x = 24,278,840.85 × 15,439,397.90 - Step 4: Simplify right side
16,185,893.90x = 374,850,684,433,924.25 - Step 5: Solve for x
x = 374,850,684,433,924.25/16,185,893.90 - Step 6: Final answer
x = 23,159,096.85
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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.