Finding the Fourth Proportional to 7,485,237.82, 10,329,620.97 and 4,047,470.65
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Solution
The fourth proportional to 7,485,237.82, 10,329,620.97 and 4,047,470.65 is: 5,585,505.59
Step by Step Solution
- Step 1: Write the proportion equation
7,485,237.82 : 10,329,620.97 = 4,047,470.65 : x - Step 2: Convert to fraction form
7,485,237.82/10,329,620.97 = 4,047,470.65/x - Step 3: Cross multiply
7,485,237.82x = 10,329,620.97 × 4,047,470.65 - Step 4: Simplify right side
7,485,237.82x = 41,808,837,695,046.77 - Step 5: Solve for x
x = 41,808,837,695,046.77/7,485,237.82 - Step 6: Final answer
x = 5,585,505.59
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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.