Finding the Fourth Proportional to 6,318,061.18, 8,718,175.15 and 3,564,588.08
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Solution
The fourth proportional to 6,318,061.18, 8,718,175.15 and 3,564,588.08 is: 4,918,708.82
Step by Step Solution
- Step 1: Write the proportion equation
6,318,061.18 : 8,718,175.15 = 3,564,588.08 : x - Step 2: Convert to fraction form
6,318,061.18/8,718,175.15 = 3,564,588.08/x - Step 3: Cross multiply
6,318,061.18x = 8,718,175.15 × 3,564,588.08 - Step 4: Simplify right side
6,318,061.18x = 31,076,703,231,926.18 - Step 5: Solve for x
x = 31,076,703,231,926.18/6,318,061.18 - Step 6: Final answer
x = 4,918,708.82
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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.