Finding the Fourth Proportional to 7,729,827.82, 11,542,688.50 and 6,312,695.02
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Solution
The fourth proportional to 7,729,827.82, 11,542,688.50 and 6,312,695.02 is: 9,426,532.38
Step by Step Solution
- Step 1: Write the proportion equation
7,729,827.82 : 11,542,688.50 = 6,312,695.02 : x - Step 2: Convert to fraction form
7,729,827.82/11,542,688.50 = 6,312,695.02/x - Step 3: Cross multiply
7,729,827.82x = 11,542,688.50 × 6,312,695.02 - Step 4: Simplify right side
7,729,827.82x = 72,865,472,211,361.27 - Step 5: Solve for x
x = 72,865,472,211,361.27/7,729,827.82 - Step 6: Final answer
x = 9,426,532.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.