Finding the Fourth Proportional to 9,931,505.99, 13,707,102.69 and 8,275,024.80
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Solution
The fourth proportional to 9,931,505.99, 13,707,102.69 and 8,275,024.80 is: 11,420,887.72
Step by Step Solution
- Step 1: Write the proportion equation
9,931,505.99 : 13,707,102.69 = 8,275,024.80 : x - Step 2: Convert to fraction form
9,931,505.99/13,707,102.69 = 8,275,024.80/x - Step 3: Cross multiply
9,931,505.99x = 13,707,102.69 × 8,275,024.80 - Step 4: Simplify right side
9,931,505.99x = 113,426,614,695,896.70 - Step 5: Solve for x
x = 113,426,614,695,896.70/9,931,505.99 - Step 6: Final answer
x = 11,420,887.72
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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.