Finding the Fourth Proportional to 12,263,660.16, 18,398,337.69 and 4,176,705.81
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Solution
The fourth proportional to 12,263,660.16, 18,398,337.69 and 4,176,705.81 is: 6,266,028.49
Step by Step Solution
- Step 1: Write the proportion equation
12,263,660.16 : 18,398,337.69 = 4,176,705.81 : x - Step 2: Convert to fraction form
12,263,660.16/18,398,337.69 = 4,176,705.81/x - Step 3: Cross multiply
12,263,660.16x = 18,398,337.69 × 4,176,705.81 - Step 4: Simplify right side
12,263,660.16x = 76,844,443,924,164.98 - Step 5: Solve for x
x = 76,844,443,924,164.98/12,263,660.16 - Step 6: Final answer
x = 6,266,028.49
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1.5x scale
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.