Finding the Fourth Proportional to 9,574,157.66, 13,211,876.99 and 5,222,984.48
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Solution
The fourth proportional to 9,574,157.66, 13,211,876.99 and 5,222,984.48 is: 7,207,467.32
Step by Step Solution
- Step 1: Write the proportion equation
9,574,157.66 : 13,211,876.99 = 5,222,984.48 : x - Step 2: Convert to fraction form
9,574,157.66/13,211,876.99 = 5,222,984.48/x - Step 3: Cross multiply
9,574,157.66x = 13,211,876.99 × 5,222,984.48 - Step 4: Simplify right side
9,574,157.66x = 69,005,428,378,264.80 - Step 5: Solve for x
x = 69,005,428,378,264.80/9,574,157.66 - Step 6: Final answer
x = 7,207,467.32
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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.