Finding the Fourth Proportional to 8,790,259.65, 13,182,596.18 and 8,216,453.62
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Solution
The fourth proportional to 8,790,259.65, 13,182,596.18 and 8,216,453.62 is: 12,322,069.47
Step by Step Solution
- Step 1: Write the proportion equation
8,790,259.65 : 13,182,596.18 = 8,216,453.62 : x - Step 2: Convert to fraction form
8,790,259.65/13,182,596.18 = 8,216,453.62/x - Step 3: Cross multiply
8,790,259.65x = 13,182,596.18 × 8,216,453.62 - Step 4: Simplify right side
8,790,259.65x = 108,314,190,104,159.17 - Step 5: Solve for x
x = 108,314,190,104,159.17/8,790,259.65 - Step 6: Final answer
x = 12,322,069.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.