Finding the Fourth Proportional to 14,756,604.68, 20,364,112.12 and 8,230,094.13
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Solution
The fourth proportional to 14,756,604.68, 20,364,112.12 and 8,230,094.13 is: 11,357,528.59
Step by Step Solution
- Step 1: Write the proportion equation
14,756,604.68 : 20,364,112.12 = 8,230,094.13 : x - Step 2: Convert to fraction form
14,756,604.68/20,364,112.12 = 8,230,094.13/x - Step 3: Cross multiply
14,756,604.68x = 20,364,112.12 × 8,230,094.13 - Step 4: Simplify right side
14,756,604.68x = 167,598,559,580,323.38 - Step 5: Solve for x
x = 167,598,559,580,323.38/14,756,604.68 - Step 6: Final answer
x = 11,357,528.59
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1.5x scale
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.