Finding the Fourth Proportional to 11,459,299.77, 15,814,284.89 and 6,303,141.09
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Solution
The fourth proportional to 11,459,299.77, 15,814,284.89 and 6,303,141.09 is: 8,698,582.89
Step by Step Solution
- Step 1: Write the proportion equation
11,459,299.77 : 15,814,284.89 = 6,303,141.09 : x - Step 2: Convert to fraction form
11,459,299.77/15,814,284.89 = 6,303,141.09/x - Step 3: Cross multiply
11,459,299.77x = 15,814,284.89 × 6,303,141.09 - Step 4: Simplify right side
11,459,299.77x = 99,679,668,867,609.42 - Step 5: Solve for x
x = 99,679,668,867,609.42/11,459,299.77 - Step 6: Final answer
x = 8,698,582.89
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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.