Finding the Fourth Proportional to 11,376,249.20, 17,064,373.80 and 8,352,940.40
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Solution
The fourth proportional to 11,376,249.20, 17,064,373.80 and 8,352,940.40 is: 12,529,410.60
Step by Step Solution
- Step 1: Write the proportion equation
11,376,249.20 : 17,064,373.80 = 8,352,940.40 : x - Step 2: Convert to fraction form
11,376,249.20/17,064,373.80 = 8,352,940.40/x - Step 3: Cross multiply
11,376,249.20x = 17,064,373.80 × 8,352,940.40 - Step 4: Simplify right side
11,376,249.20x = 142,537,697,314,721.53 - Step 5: Solve for x
x = 142,537,697,314,721.53/11,376,249.20 - Step 6: Final answer
x = 12,529,410.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.