Finding the Fourth Proportional to 7,729,833.82, 11,542,697.46 and 6,312,701.02
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Solution
The fourth proportional to 7,729,833.82, 11,542,697.46 and 6,312,701.02 is: 9,426,541.34
Step by Step Solution
- Step 1: Write the proportion equation
7,729,833.82 : 11,542,697.46 = 6,312,701.02 : x - Step 2: Convert to fraction form
7,729,833.82/11,542,697.46 = 6,312,701.02/x - Step 3: Cross multiply
7,729,833.82x = 11,542,697.46 × 6,312,701.02 - Step 4: Simplify right side
7,729,833.82x = 72,865,598,029,293.41 - Step 5: Solve for x
x = 72,865,598,029,293.41/7,729,833.82 - Step 6: Final answer
x = 9,426,541.34
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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.