Finding the Fourth Proportional to 13,376,107.28, 18,460,166.50 and 7,575,920.84
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Solution
The fourth proportional to 13,376,107.28, 18,460,166.50 and 7,575,920.84 is: 10,455,415.55
Step by Step Solution
- Step 1: Write the proportion equation
13,376,107.28 : 18,460,166.50 = 7,575,920.84 : x - Step 2: Convert to fraction form
13,376,107.28/18,460,166.50 = 7,575,920.84/x - Step 3: Cross multiply
13,376,107.28x = 18,460,166.50 × 7,575,920.84 - Step 4: Simplify right side
13,376,107.28x = 139,852,760,097,219.86 - Step 5: Solve for x
x = 139,852,760,097,219.86/13,376,107.28 - Step 6: Final answer
x = 10,455,415.55
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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.