Finding the Fourth Proportional to 15,336,626.04, 21,163,805.28 and 8,366,888.70
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Solution
The fourth proportional to 15,336,626.04, 21,163,805.28 and 8,366,888.70 is: 11,545,903.43
Step by Step Solution
- Step 1: Write the proportion equation
15,336,626.04 : 21,163,805.28 = 8,366,888.70 : x - Step 2: Convert to fraction form
15,336,626.04/21,163,805.28 = 8,366,888.70/x - Step 3: Cross multiply
15,336,626.04x = 21,163,805.28 × 8,366,888.70 - Step 4: Simplify right side
15,336,626.04x = 177,075,203,246,232.34 - Step 5: Solve for x
x = 177,075,203,246,232.34/15,336,626.04 - Step 6: Final answer
x = 11,545,903.43
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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.