Finding the Fourth Proportional to 13,172,106.30, 19,758,159.45 and 8,651,723.10
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Solution
The fourth proportional to 13,172,106.30, 19,758,159.45 and 8,651,723.10 is: 12,977,584.65
Step by Step Solution
- Step 1: Write the proportion equation
13,172,106.30 : 19,758,159.45 = 8,651,723.10 : x - Step 2: Convert to fraction form
13,172,106.30/19,758,159.45 = 8,651,723.10/x - Step 3: Cross multiply
13,172,106.30x = 19,758,159.45 × 8,651,723.10 - Step 4: Simplify right side
13,172,106.30x = 170,942,124,527,048.28 - Step 5: Solve for x
x = 170,942,124,527,048.28/13,172,106.30 - Step 6: Final answer
x = 12,977,584.65
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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.