Finding the Fourth Proportional to 10,784,648.68, 14,880,842.58 and 6,138,159.16
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Solution
The fourth proportional to 10,784,648.68, 14,880,842.58 and 6,138,159.16 is: 8,469,536.92
Step by Step Solution
- Step 1: Write the proportion equation
10,784,648.68 : 14,880,842.58 = 6,138,159.16 : x - Step 2: Convert to fraction form
10,784,648.68/14,880,842.58 = 6,138,159.16/x - Step 3: Cross multiply
10,784,648.68x = 14,880,842.58 × 6,138,159.16 - Step 4: Simplify right side
10,784,648.68x = 91,340,980,190,945.03 - Step 5: Solve for x
x = 91,340,980,190,945.03/10,784,648.68 - Step 6: Final answer
x = 8,469,536.92
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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.