Finding the Fourth Proportional to 8,721,132.02, 13,072,064.64 and 3,600,738.99
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Solution
The fourth proportional to 8,721,132.02, 13,072,064.64 and 3,600,738.99 is: 5,397,131.10
Step by Step Solution
- Step 1: Write the proportion equation
8,721,132.02 : 13,072,064.64 = 3,600,738.99 : x - Step 2: Convert to fraction form
8,721,132.02/13,072,064.64 = 3,600,738.99/x - Step 3: Cross multiply
8,721,132.02x = 13,072,064.64 × 3,600,738.99 - Step 4: Simplify right side
8,721,132.02x = 47,069,092,862,440.91 - Step 5: Solve for x
x = 47,069,092,862,440.91/8,721,132.02 - Step 6: Final answer
x = 5,397,131.10
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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.