Finding the Fourth Proportional to 9,808,338.24, 13,535,167.20 and 5,397,652.80
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Solution
The fourth proportional to 9,808,338.24, 13,535,167.20 and 5,397,652.80 is: 7,448,573.99
Step by Step Solution
- Step 1: Write the proportion equation
9,808,338.24 : 13,535,167.20 = 5,397,652.80 : x - Step 2: Convert to fraction form
9,808,338.24/13,535,167.20 = 5,397,652.80/x - Step 3: Cross multiply
9,808,338.24x = 13,535,167.20 × 5,397,652.80 - Step 4: Simplify right side
9,808,338.24x = 73,058,133,135,548.16 - Step 5: Solve for x
x = 73,058,133,135,548.16/9,808,338.24 - Step 6: Final answer
x = 7,448,573.99
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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.