Finding the Fourth Proportional to 7,116,197.99, 10,674,202.39 and 1,724,895.11
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Solution
The fourth proportional to 7,116,197.99, 10,674,202.39 and 1,724,895.11 is: 2,587,319.74
Step by Step Solution
- Step 1: Write the proportion equation
7,116,197.99 : 10,674,202.39 = 1,724,895.11 : x - Step 2: Convert to fraction form
7,116,197.99/10,674,202.39 = 1,724,895.11/x - Step 3: Cross multiply
7,116,197.99x = 10,674,202.39 × 1,724,895.11 - Step 4: Simplify right side
7,116,197.99x = 18,411,879,528,034.58 - Step 5: Solve for x
x = 18,411,879,528,034.58/7,116,197.99 - Step 6: Final answer
x = 2,587,319.74
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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.