Finding the Fourth Proportional to 11,031,543.70, 16,547,313.39 and 3,459,119.38
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Solution
The fourth proportional to 11,031,543.70, 16,547,313.39 and 3,459,119.38 is: 5,188,678.39
Step by Step Solution
- Step 1: Write the proportion equation
11,031,543.70 : 16,547,313.39 = 3,459,119.38 : x - Step 2: Convert to fraction form
11,031,543.70/16,547,313.39 = 3,459,119.38/x - Step 3: Cross multiply
11,031,543.70x = 16,547,313.39 × 3,459,119.38 - Step 4: Simplify right side
11,031,543.70x = 57,239,132,434,282.50 - Step 5: Solve for x
x = 57,239,132,434,282.50/11,031,543.70 - Step 6: Final answer
x = 5,188,678.39
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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.