Finding the Fourth Proportional to 7,346,756.09, 11,020,937.85 and 2,492,567.43
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Solution
The fourth proportional to 7,346,756.09, 11,020,937.85 and 2,492,567.43 is: 3,739,123.83
Step by Step Solution
- Step 1: Write the proportion equation
7,346,756.09 : 11,020,937.85 = 2,492,567.43 : x - Step 2: Convert to fraction form
7,346,756.09/11,020,937.85 = 2,492,567.43/x - Step 3: Cross multiply
7,346,756.09x = 11,020,937.85 × 2,492,567.43 - Step 4: Simplify right side
7,346,756.09x = 27,470,430,732,964.23 - Step 5: Solve for x
x = 27,470,430,732,964.23/7,346,756.09 - Step 6: Final answer
x = 3,739,123.83
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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.