Finding the Fourth Proportional to 10,883,464.83, 15,018,730.49 and 5,921,926.67
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Solution
The fourth proportional to 10,883,464.83, 15,018,730.49 and 5,921,926.67 is: 8,172,013.42
Step by Step Solution
- Step 1: Write the proportion equation
10,883,464.83 : 15,018,730.49 = 5,921,926.67 : x - Step 2: Convert to fraction form
10,883,464.83/15,018,730.49 = 5,921,926.67/x - Step 3: Cross multiply
10,883,464.83x = 15,018,730.49 × 5,921,926.67 - Step 4: Simplify right side
10,883,464.83x = 88,939,820,690,624.81 - Step 5: Solve for x
x = 88,939,820,690,624.81/10,883,464.83 - Step 6: Final answer
x = 8,172,013.42
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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.