Finding the Fourth Proportional to 7,685,318.29, 10,598,874.62 and 6,376,498.23
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Solution
The fourth proportional to 7,685,318.29, 10,598,874.62 and 6,376,498.23 is: 8,793,871.99
Step by Step Solution
- Step 1: Write the proportion equation
7,685,318.29 : 10,598,874.62 = 6,376,498.23 : x - Step 2: Convert to fraction form
7,685,318.29/10,598,874.62 = 6,376,498.23/x - Step 3: Cross multiply
7,685,318.29x = 10,598,874.62 × 6,376,498.23 - Step 4: Simplify right side
7,685,318.29x = 67,583,705,181,828.94 - Step 5: Solve for x
x = 67,583,705,181,828.94/7,685,318.29 - Step 6: Final answer
x = 8,793,871.99
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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.