Finding the Fourth Proportional to 15,217,331.28, 22,811,708.28 and 5,112,885.84
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Solution
The fourth proportional to 15,217,331.28, 22,811,708.28 and 5,112,885.84 is: 7,664,527.91
Step by Step Solution
- Step 1: Write the proportion equation
15,217,331.28 : 22,811,708.28 = 5,112,885.84 : x - Step 2: Convert to fraction form
15,217,331.28/22,811,708.28 = 5,112,885.84/x - Step 3: Cross multiply
15,217,331.28x = 22,811,708.28 × 5,112,885.84 - Step 4: Simplify right side
15,217,331.28x = 116,633,660,251,022.77 - Step 5: Solve for x
x = 116,633,660,251,022.77/15,217,331.28 - Step 6: Final answer
x = 7,664,527.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.