Finding the Fourth Proportional to 8,707,384.07, 12,016,197.71 and 4,787,206.90
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Solution
The fourth proportional to 8,707,384.07, 12,016,197.71 and 4,787,206.90 is: 6,606,349.75
Step by Step Solution
- Step 1: Write the proportion equation
8,707,384.07 : 12,016,197.71 = 4,787,206.90 : x - Step 2: Convert to fraction form
8,707,384.07/12,016,197.71 = 4,787,206.90/x - Step 3: Cross multiply
8,707,384.07x = 12,016,197.71 × 4,787,206.90 - Step 4: Simplify right side
8,707,384.07x = 57,524,024,589,076.21 - Step 5: Solve for x
x = 57,524,024,589,076.21/8,707,384.07 - Step 6: Final answer
x = 6,606,349.75
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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.