Finding the Fourth Proportional to 7,671,002.16, 10,586,237.20 and 4,186,531.68
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Solution
The fourth proportional to 7,671,002.16, 10,586,237.20 and 4,186,531.68 is: 5,777,552.46
Step by Step Solution
- Step 1: Write the proportion equation
7,671,002.16 : 10,586,237.20 = 4,186,531.68 : x - Step 2: Convert to fraction form
7,671,002.16/10,586,237.20 = 4,186,531.68/x - Step 3: Cross multiply
7,671,002.16x = 10,586,237.20 × 4,186,531.68 - Step 4: Simplify right side
7,671,002.16x = 44,319,617,409,794.49 - Step 5: Solve for x
x = 44,319,617,409,794.49/7,671,002.16 - Step 6: Final answer
x = 5,777,552.46
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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.