Finding the Fourth Proportional to 8,702,237.68, 12,008,384 and 5,031,389.84
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Solution
The fourth proportional to 8,702,237.68, 12,008,384 and 5,031,389.84 is: 6,942,910.95
Step by Step Solution
- Step 1: Write the proportion equation
8,702,237.68 : 12,008,384 = 5,031,389.84 : x - Step 2: Convert to fraction form
8,702,237.68/12,008,384 = 5,031,389.84/x - Step 3: Cross multiply
8,702,237.68x = 12,008,384 × 5,031,389.84 - Step 4: Simplify right side
8,702,237.68x = 60,418,861,252,418.55 - Step 5: Solve for x
x = 60,418,861,252,418.55/8,702,237.68 - Step 6: Final answer
x = 6,942,910.95
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1.5x scale
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.