Finding the Fourth Proportional to 11,688,846.60, 16,135,574.58 and 7,106,631.24
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Solution
The fourth proportional to 11,688,846.60, 16,135,574.58 and 7,106,631.24 is: 9,810,170.52
Step by Step Solution
- Step 1: Write the proportion equation
11,688,846.60 : 16,135,574.58 = 7,106,631.24 : x - Step 2: Convert to fraction form
11,688,846.60/16,135,574.58 = 7,106,631.24/x - Step 3: Cross multiply
11,688,846.60x = 16,135,574.58 × 7,106,631.24 - Step 4: Simplify right side
11,688,846.60x = 114,669,578,385,577.89 - Step 5: Solve for x
x = 114,669,578,385,577.89/11,688,846.60 - Step 6: Final answer
x = 9,810,170.52
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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.