Finding the Fourth Proportional to 8,185,154.10, 12,275,636.20 and 2,426,541.14
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Solution
The fourth proportional to 8,185,154.10, 12,275,636.20 and 2,426,541.14 is: 3,639,190.65
Step by Step Solution
- Step 1: Write the proportion equation
8,185,154.10 : 12,275,636.20 = 2,426,541.14 : x - Step 2: Convert to fraction form
8,185,154.10/12,275,636.20 = 2,426,541.14/x - Step 3: Cross multiply
8,185,154.10x = 12,275,636.20 × 2,426,541.14 - Step 4: Simplify right side
8,185,154.10x = 29,787,336,258,973.27 - Step 5: Solve for x
x = 29,787,336,258,973.27/8,185,154.10 - Step 6: Final answer
x = 3,639,190.65
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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.