Finding the Fourth Proportional to 18,360,293.84, 27,541,337.40 and 6,998,624.72
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Solution
The fourth proportional to 18,360,293.84, 27,541,337.40 and 6,998,624.72 is: 10,498,278.86
Step by Step Solution
- Step 1: Write the proportion equation
18,360,293.84 : 27,541,337.40 = 6,998,624.72 : x - Step 2: Convert to fraction form
18,360,293.84/27,541,337.40 = 6,998,624.72/x - Step 3: Cross multiply
18,360,293.84x = 27,541,337.40 × 6,998,624.72 - Step 4: Simplify right side
18,360,293.84x = 192,751,484,749,500.50 - Step 5: Solve for x
x = 192,751,484,749,500.50/18,360,293.84 - Step 6: Final answer
x = 10,498,278.86
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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.