Finding the Fourth Proportional to 8,882,386.45, 13,305,864.98 and 5,091,440.65
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Solution
The fourth proportional to 8,882,386.45, 13,305,864.98 and 5,091,440.65 is: 7,627,006.80
Step by Step Solution
- Step 1: Write the proportion equation
8,882,386.45 : 13,305,864.98 = 5,091,440.65 : x - Step 2: Convert to fraction form
8,882,386.45/13,305,864.98 = 5,091,440.65/x - Step 3: Cross multiply
8,882,386.45x = 13,305,864.98 × 5,091,440.65 - Step 4: Simplify right side
8,882,386.45x = 67,746,021,817,126.23 - Step 5: Solve for x
x = 67,746,021,817,126.23/8,882,386.45 - Step 6: Final answer
x = 7,627,006.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.