Finding the Fourth Proportional to 7,269,989.99, 10,032,455.84 and 3,962,313.88
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Solution
The fourth proportional to 7,269,989.99, 10,032,455.84 and 3,962,313.88 is: 5,467,922.11
Step by Step Solution
- Step 1: Write the proportion equation
7,269,989.99 : 10,032,455.84 = 3,962,313.88 : x - Step 2: Convert to fraction form
7,269,989.99/10,032,455.84 = 3,962,313.88/x - Step 3: Cross multiply
7,269,989.99x = 10,032,455.84 × 3,962,313.88 - Step 4: Simplify right side
7,269,989.99x = 39,751,738,980,426.35 - Step 5: Solve for x
x = 39,751,738,980,426.35/7,269,989.99 - Step 6: Final answer
x = 5,467,922.11
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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.