Finding the Fourth Proportional to 8,316,053.80, 12,474,080.70 and 5,110,786.60
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Solution
The fourth proportional to 8,316,053.80, 12,474,080.70 and 5,110,786.60 is: 7,666,179.90
Step by Step Solution
- Step 1: Write the proportion equation
8,316,053.80 : 12,474,080.70 = 5,110,786.60 : x - Step 2: Convert to fraction form
8,316,053.80/12,474,080.70 = 5,110,786.60/x - Step 3: Cross multiply
8,316,053.80x = 12,474,080.70 × 5,110,786.60 - Step 4: Simplify right side
8,316,053.80x = 63,752,364,488,878.61 - Step 5: Solve for x
x = 63,752,364,488,878.61/8,316,053.80 - Step 6: Final answer
x = 7,666,179.90
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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.