Finding the Fourth Proportional to 7,781,736.96, 10,738,977.84 and 4,881,250.08
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Solution
The fourth proportional to 7,781,736.96, 10,738,977.84 and 4,881,250.08 is: 6,736,238.54
Step by Step Solution
- Step 1: Write the proportion equation
7,781,736.96 : 10,738,977.84 = 4,881,250.08 : x - Step 2: Convert to fraction form
7,781,736.96/10,738,977.84 = 4,881,250.08/x - Step 3: Cross multiply
7,781,736.96x = 10,738,977.84 × 4,881,250.08 - Step 4: Simplify right side
7,781,736.96x = 52,419,636,440,618.23 - Step 5: Solve for x
x = 52,419,636,440,618.23/7,781,736.96 - Step 6: Final answer
x = 6,736,238.54
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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.