Finding the Fourth Proportional to 15,294,203.65, 21,106,558.01 and 8,324,544.37
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Solution
The fourth proportional to 15,294,203.65, 21,106,558.01 and 8,324,544.37 is: 11,488,174.39
Step by Step Solution
- Step 1: Write the proportion equation
15,294,203.65 : 21,106,558.01 = 8,324,544.37 : x - Step 2: Convert to fraction form
15,294,203.65/21,106,558.01 = 8,324,544.37/x - Step 3: Cross multiply
15,294,203.65x = 21,106,558.01 × 8,324,544.37 - Step 4: Simplify right side
15,294,203.65x = 175,702,478,652,223.91 - Step 5: Solve for x
x = 175,702,478,652,223.91/15,294,203.65 - Step 6: Final answer
x = 11,488,174.39
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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.