Finding the Fourth Proportional to 7,529,788.08, 10,391,506.20 and 4,267,237.68
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Solution
The fourth proportional to 7,529,788.08, 10,391,506.20 and 4,267,237.68 is: 5,889,013.92
Step by Step Solution
- Step 1: Write the proportion equation
7,529,788.08 : 10,391,506.20 = 4,267,237.68 : x - Step 2: Convert to fraction form
7,529,788.08/10,391,506.20 = 4,267,237.68/x - Step 3: Cross multiply
7,529,788.08x = 10,391,506.20 × 4,267,237.68 - Step 4: Simplify right side
7,529,788.08x = 44,343,026,808,593.61 - Step 5: Solve for x
x = 44,343,026,808,593.61/7,529,788.08 - Step 6: Final answer
x = 5,889,013.92
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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.