Finding the Fourth Proportional to 12,072,223.80, 18,102,114.90 and 4,495,289.40
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Solution
The fourth proportional to 12,072,223.80, 18,102,114.90 and 4,495,289.40 is: 6,740,617.68
Step by Step Solution
- Step 1: Write the proportion equation
12,072,223.80 : 18,102,114.90 = 4,495,289.40 : x - Step 2: Convert to fraction form
12,072,223.80/18,102,114.90 = 4,495,289.40/x - Step 3: Cross multiply
12,072,223.80x = 18,102,114.90 × 4,495,289.40 - Step 4: Simplify right side
12,072,223.80x = 81,374,245,227,552.06 - Step 5: Solve for x
x = 81,374,245,227,552.06/12,072,223.80 - Step 6: Final answer
x = 6,740,617.68
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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.