Finding the Fourth Proportional to 11,221,939.60, 15,486,269.88 and 6,065,301.14
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Solution
The fourth proportional to 11,221,939.60, 15,486,269.88 and 6,065,301.14 is: 8,370,111.93
Step by Step Solution
- Step 1: Write the proportion equation
11,221,939.60 : 15,486,269.88 = 6,065,301.14 : x - Step 2: Convert to fraction form
11,221,939.60/15,486,269.88 = 6,065,301.14/x - Step 3: Cross multiply
11,221,939.60x = 15,486,269.88 × 6,065,301.14 - Step 4: Simplify right side
11,221,939.60x = 93,928,890,448,008.97 - Step 5: Solve for x
x = 93,928,890,448,008.97/11,221,939.60 - Step 6: Final answer
x = 8,370,111.93
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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.