Finding the Fourth Proportional to 11,485,573.02, 15,850,491.55 and 6,259,012.11
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Solution
The fourth proportional to 11,485,573.02, 15,850,491.55 and 6,259,012.11 is: 8,637,655.12
Step by Step Solution
- Step 1: Write the proportion equation
11,485,573.02 : 15,850,491.55 = 6,259,012.11 : x - Step 2: Convert to fraction form
11,485,573.02/15,850,491.55 = 6,259,012.11/x - Step 3: Cross multiply
11,485,573.02x = 15,850,491.55 × 6,259,012.11 - Step 4: Simplify right side
11,485,573.02x = 99,208,418,545,255.14 - Step 5: Solve for x
x = 99,208,418,545,255.14/11,485,573.02 - Step 6: Final answer
x = 8,637,655.12
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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.