Finding the Fourth Proportional to 11,782,535.20, 16,258,001.76 and 6,625,589.28
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Solution
The fourth proportional to 11,782,535.20, 16,258,001.76 and 6,625,589.28 is: 9,142,246.58
Step by Step Solution
- Step 1: Write the proportion equation
11,782,535.20 : 16,258,001.76 = 6,625,589.28 : x - Step 2: Convert to fraction form
11,782,535.20/16,258,001.76 = 6,625,589.28/x - Step 3: Cross multiply
11,782,535.20x = 16,258,001.76 × 6,625,589.28 - Step 4: Simplify right side
11,782,535.20x = 107,718,842,175,277.14 - Step 5: Solve for x
x = 107,718,842,175,277.14/11,782,535.20 - Step 6: Final answer
x = 9,142,246.58
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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.