Finding the Fourth Proportional to 14,364,618.60, 21,546,927.90 and 4,780,309.80
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Solution
The fourth proportional to 14,364,618.60, 21,546,927.90 and 4,780,309.80 is: 7,170,464.70
Step by Step Solution
- Step 1: Write the proportion equation
14,364,618.60 : 21,546,927.90 = 4,780,309.80 : x - Step 2: Convert to fraction form
14,364,618.60/21,546,927.90 = 4,780,309.80/x - Step 3: Cross multiply
14,364,618.60x = 21,546,927.90 × 4,780,309.80 - Step 4: Simplify right side
14,364,618.60x = 103,000,990,600,263.41 - Step 5: Solve for x
x = 103,000,990,600,263.41/14,364,618.60 - Step 6: Final answer
x = 7,170,464.70
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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.