Finding the Fourth Proportional to 11,785,029.84, 17,678,291.85 and 3,698,324.28
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Solution
The fourth proportional to 11,785,029.84, 17,678,291.85 and 3,698,324.28 is: 5,547,720.87
Step by Step Solution
- Step 1: Write the proportion equation
11,785,029.84 : 17,678,291.85 = 3,698,324.28 : x - Step 2: Convert to fraction form
11,785,029.84/17,678,291.85 = 3,698,324.28/x - Step 3: Cross multiply
11,785,029.84x = 17,678,291.85 × 3,698,324.28 - Step 4: Simplify right side
11,785,029.84x = 65,380,055,977,781.12 - Step 5: Solve for x
x = 65,380,055,977,781.12/11,785,029.84 - Step 6: Final answer
x = 5,547,720.87
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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.