Finding the Fourth Proportional to 8,469,739.76, 11,688,314.81 and 4,602,260.81
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Solution
The fourth proportional to 8,469,739.76, 11,688,314.81 and 4,602,260.81 is: 6,351,160.10
Step by Step Solution
- Step 1: Write the proportion equation
8,469,739.76 : 11,688,314.81 = 4,602,260.81 : x - Step 2: Convert to fraction form
8,469,739.76/11,688,314.81 = 4,602,260.81/x - Step 3: Cross multiply
8,469,739.76x = 11,688,314.81 × 4,602,260.81 - Step 4: Simplify right side
8,469,739.76x = 53,792,673,191,215.08 - Step 5: Solve for x
x = 53,792,673,191,215.08/8,469,739.76 - Step 6: Final answer
x = 6,351,160.10
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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.