Finding the Fourth Proportional to 8,177,371.10, 11,284,846.74 and 4,506,419.28
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Solution
The fourth proportional to 8,177,371.10, 11,284,846.74 and 4,506,419.28 is: 6,218,899.73
Step by Step Solution
- Step 1: Write the proportion equation
8,177,371.10 : 11,284,846.74 = 4,506,419.28 : x - Step 2: Convert to fraction form
8,177,371.10/11,284,846.74 = 4,506,419.28/x - Step 3: Cross multiply
8,177,371.10x = 11,284,846.74 × 4,506,419.28 - Step 4: Simplify right side
8,177,371.10x = 50,854,250,920,981.15 - Step 5: Solve for x
x = 50,854,250,920,981.15/8,177,371.10 - Step 6: Final answer
x = 6,218,899.73
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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.