Finding the Fourth Proportional to 13,533,921.84, 18,675,084.48 and 7,733,079.12
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Solution
The fourth proportional to 13,533,921.84, 18,675,084.48 and 7,733,079.12 is: 10,670,662.03
Step by Step Solution
- Step 1: Write the proportion equation
13,533,921.84 : 18,675,084.48 = 7,733,079.12 : x - Step 2: Convert to fraction form
13,533,921.84/18,675,084.48 = 7,733,079.12/x - Step 3: Cross multiply
13,533,921.84x = 18,675,084.48 × 7,733,079.12 - Step 4: Simplify right side
13,533,921.84x = 144,415,905,856,524.06 - Step 5: Solve for x
x = 144,415,905,856,524.06/13,533,921.84 - Step 6: Final answer
x = 10,670,662.03
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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.