Finding the Fourth Proportional to 7,635,260.63, 10,536,877.74 and 4,655,136.02
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Solution
The fourth proportional to 7,635,260.63, 10,536,877.74 and 4,655,136.02 is: 6,424,220.66
Step by Step Solution
- Step 1: Write the proportion equation
7,635,260.63 : 10,536,877.74 = 4,655,136.02 : x - Step 2: Convert to fraction form
7,635,260.63/10,536,877.74 = 4,655,136.02/x - Step 3: Cross multiply
7,635,260.63x = 10,536,877.74 × 4,655,136.02 - Step 4: Simplify right side
7,635,260.63x = 49,050,599,053,125.80 - Step 5: Solve for x
x = 49,050,599,053,125.80/7,635,260.63 - Step 6: Final answer
x = 6,424,220.66
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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.