Finding the Fourth Proportional to 10,186,784.13, 15,278,515.17 and 2,996,636.48
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Solution
The fourth proportional to 10,186,784.13, 15,278,515.17 and 2,996,636.48 is: 4,494,466.09
Step by Step Solution
- Step 1: Write the proportion equation
10,186,784.13 : 15,278,515.17 = 2,996,636.48 : x - Step 2: Convert to fraction form
10,186,784.13/15,278,515.17 = 2,996,636.48/x - Step 3: Cross multiply
10,186,784.13x = 15,278,515.17 × 2,996,636.48 - Step 4: Simplify right side
10,186,784.13x = 45,784,155,842,262.83 - Step 5: Solve for x
x = 45,784,155,842,262.83/10,186,784.13 - Step 6: Final answer
x = 4,494,466.09
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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.