Finding the Fourth Proportional to 12,003,516.86, 16,564,851.99 and 6,496,890.75
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Solution
The fourth proportional to 12,003,516.86, 16,564,851.99 and 6,496,890.75 is: 8,965,708.55
Step by Step Solution
- Step 1: Write the proportion equation
12,003,516.86 : 16,564,851.99 = 6,496,890.75 : x - Step 2: Convert to fraction form
12,003,516.86/16,564,851.99 = 6,496,890.75/x - Step 3: Cross multiply
12,003,516.86x = 16,564,851.99 × 6,496,890.75 - Step 4: Simplify right side
12,003,516.86x = 107,620,033,668,950.09 - Step 5: Solve for x
x = 107,620,033,668,950.09/12,003,516.86 - Step 6: Final answer
x = 8,965,708.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.