Finding the Fourth Proportional to 8,812,318.42, 12,160,966.08 and 4,944,830.14
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Solution
The fourth proportional to 8,812,318.42, 12,160,966.08 and 4,944,830.14 is: 6,823,846.89
Step by Step Solution
- Step 1: Write the proportion equation
8,812,318.42 : 12,160,966.08 = 4,944,830.14 : x - Step 2: Convert to fraction form
8,812,318.42/12,160,966.08 = 4,944,830.14/x - Step 3: Cross multiply
8,812,318.42x = 12,160,966.08 × 4,944,830.14 - Step 4: Simplify right side
8,812,318.42x = 60,133,911,603,901.65 - Step 5: Solve for x
x = 60,133,911,603,901.65/8,812,318.42 - Step 6: Final answer
x = 6,823,846.89
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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.