Finding the Fourth Proportional to 11,295,108.84, 15,587,370.36 and 6,138,470.28
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Solution
The fourth proportional to 11,295,108.84, 15,587,370.36 and 6,138,470.28 is: 8,471,154.29
Step by Step Solution
- Step 1: Write the proportion equation
11,295,108.84 : 15,587,370.36 = 6,138,470.28 : x - Step 2: Convert to fraction form
11,295,108.84/15,587,370.36 = 6,138,470.28/x - Step 3: Cross multiply
11,295,108.84x = 15,587,370.36 × 6,138,470.28 - Step 4: Simplify right side
11,295,108.84x = 95,682,609,698,212.91 - Step 5: Solve for x
x = 95,682,609,698,212.91/11,295,108.84 - Step 6: Final answer
x = 8,471,154.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.