Finding the Fourth Proportional to 7,702,457.60, 10,629,723.50 and 4,264,698.60
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Solution
The fourth proportional to 7,702,457.60, 10,629,723.50 and 4,264,698.60 is: 5,885,467.90
Step by Step Solution
- Step 1: Write the proportion equation
7,702,457.60 : 10,629,723.50 = 4,264,698.60 : x - Step 2: Convert to fraction form
7,702,457.60/10,629,723.50 = 4,264,698.60/x - Step 3: Cross multiply
7,702,457.60x = 10,629,723.50 × 4,264,698.60 - Step 4: Simplify right side
7,702,457.60x = 45,332,566,928,837.09 - Step 5: Solve for x
x = 45,332,566,928,837.09/7,702,457.60 - Step 6: Final answer
x = 5,885,467.90
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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.