Finding the Fourth Proportional to 7,916,742.84, 10,925,059.50 and 4,294,993.08
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Solution
The fourth proportional to 7,916,742.84, 10,925,059.50 and 4,294,993.08 is: 5,927,065.70
Step by Step Solution
- Step 1: Write the proportion equation
7,916,742.84 : 10,925,059.50 = 4,294,993.08 : x - Step 2: Convert to fraction form
7,916,742.84/10,925,059.50 = 4,294,993.08/x - Step 3: Cross multiply
7,916,742.84x = 10,925,059.50 × 4,294,993.08 - Step 4: Simplify right side
7,916,742.84x = 46,923,054,951,088.26 - Step 5: Solve for x
x = 46,923,054,951,088.26/7,916,742.84 - Step 6: Final answer
x = 5,927,065.70
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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.