Finding the Fourth Proportional to 8,343,905.96, 12,521,124.14 and 3,551,587.54
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Solution
The fourth proportional to 8,343,905.96, 12,521,124.14 and 3,551,587.54 is: 5,329,622.44
Step by Step Solution
- Step 1: Write the proportion equation
8,343,905.96 : 12,521,124.14 = 3,551,587.54 : x - Step 2: Convert to fraction form
8,343,905.96/12,521,124.14 = 3,551,587.54/x - Step 3: Cross multiply
8,343,905.96x = 12,521,124.14 × 3,551,587.54 - Step 4: Simplify right side
8,343,905.96x = 44,469,868,482,417.22 - Step 5: Solve for x
x = 44,469,868,482,417.22/8,343,905.96 - Step 6: Final answer
x = 5,329,622.44
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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.