Finding the Fourth Proportional to 10,221,733.74, 14,105,745.36 and 5,637,956.70
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Solution
The fourth proportional to 10,221,733.74, 14,105,745.36 and 5,637,956.70 is: 7,780,243.90
Step by Step Solution
- Step 1: Write the proportion equation
10,221,733.74 : 14,105,745.36 = 5,637,956.70 : x - Step 2: Convert to fraction form
10,221,733.74/14,105,745.36 = 5,637,956.70/x - Step 3: Cross multiply
10,221,733.74x = 14,105,745.36 × 5,637,956.70 - Step 4: Simplify right side
10,221,733.74x = 79,527,581,560,905.91 - Step 5: Solve for x
x = 79,527,581,560,905.91/10,221,733.74 - Step 6: Final answer
x = 7,780,243.90
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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.