Finding the Fourth Proportional to 11,186,016.11, 15,434,923.66 and 6,290,292.74
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Solution
The fourth proportional to 11,186,016.11, 15,434,923.66 and 6,290,292.74 is: 8,679,603.82
Step by Step Solution
- Step 1: Write the proportion equation
11,186,016.11 : 15,434,923.66 = 6,290,292.74 : x - Step 2: Convert to fraction form
11,186,016.11/15,434,923.66 = 6,290,292.74/x - Step 3: Cross multiply
11,186,016.11x = 15,434,923.66 × 6,290,292.74 - Step 4: Simplify right side
11,186,016.11x = 97,090,188,183,434.78 - Step 5: Solve for x
x = 97,090,188,183,434.78/11,186,016.11 - Step 6: Final answer
x = 8,679,603.82
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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.