Finding the Fourth Proportional to 13,451,344.73, 18,558,228.39 and 8,154,747.84
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Solution
The fourth proportional to 13,451,344.73, 18,558,228.39 and 8,154,747.84 is: 11,250,746.74
Step by Step Solution
- Step 1: Write the proportion equation
13,451,344.73 : 18,558,228.39 = 8,154,747.84 : x - Step 2: Convert to fraction form
13,451,344.73/18,558,228.39 = 8,154,747.84/x - Step 3: Cross multiply
13,451,344.73x = 18,558,228.39 × 8,154,747.84 - Step 4: Simplify right side
13,451,344.73x = 151,337,672,877,579.19 - Step 5: Solve for x
x = 151,337,672,877,579.19/13,451,344.73 - Step 6: Final answer
x = 11,250,746.74
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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.