Finding the Fourth Proportional to 8,560,106.48, 11,812,903.61 and 4,639,846.82
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Solution
The fourth proportional to 8,560,106.48, 11,812,903.61 and 4,639,846.82 is: 6,402,965.11
Step by Step Solution
- Step 1: Write the proportion equation
8,560,106.48 : 11,812,903.61 = 4,639,846.82 : x - Step 2: Convert to fraction form
8,560,106.48/11,812,903.61 = 4,639,846.82/x - Step 3: Cross multiply
8,560,106.48x = 11,812,903.61 × 4,639,846.82 - Step 4: Simplify right side
8,560,106.48x = 54,810,063,167,561.27 - Step 5: Solve for x
x = 54,810,063,167,561.27/8,560,106.48 - Step 6: Final answer
x = 6,402,965.11
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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.