Finding the Fourth Proportional to 9,478,685.60, 14,205,586.80 and 3,794,256.80
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Solution
The fourth proportional to 9,478,685.60, 14,205,586.80 and 3,794,256.80 is: 5,686,404.91
Step by Step Solution
- Step 1: Write the proportion equation
9,478,685.60 : 14,205,586.80 = 3,794,256.80 : x - Step 2: Convert to fraction form
9,478,685.60/14,205,586.80 = 3,794,256.80/x - Step 3: Cross multiply
9,478,685.60x = 14,205,586.80 × 3,794,256.80 - Step 4: Simplify right side
9,478,685.60x = 53,899,644,313,890.24 - Step 5: Solve for x
x = 53,899,644,313,890.24/9,478,685.60 - Step 6: Final answer
x = 5,686,404.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.