Finding the Fourth Proportional to 15,053,033.04, 20,773,203.48 and 8,177,519.76
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Solution
The fourth proportional to 15,053,033.04, 20,773,203.48 and 8,177,519.76 is: 11,284,986.98
Step by Step Solution
- Step 1: Write the proportion equation
15,053,033.04 : 20,773,203.48 = 8,177,519.76 : x - Step 2: Convert to fraction form
15,053,033.04/20,773,203.48 = 8,177,519.76/x - Step 3: Cross multiply
15,053,033.04x = 20,773,203.48 × 8,177,519.76 - Step 4: Simplify right side
15,053,033.04x = 169,873,281,936,200.75 - Step 5: Solve for x
x = 169,873,281,936,200.75/15,053,033.04 - Step 6: Final answer
x = 11,284,986.98
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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.