Finding the Fourth Proportional to 11,918,259.60, 16,447,136.04 and 6,485,790.48
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Solution
The fourth proportional to 11,918,259.60, 16,447,136.04 and 6,485,790.48 is: 8,950,357.01
Step by Step Solution
- Step 1: Write the proportion equation
11,918,259.60 : 16,447,136.04 = 6,485,790.48 : x - Step 2: Convert to fraction form
11,918,259.60/16,447,136.04 = 6,485,790.48/x - Step 3: Cross multiply
11,918,259.60x = 16,447,136.04 × 6,485,790.48 - Step 4: Simplify right side
11,918,259.60x = 106,672,678,351,496.91 - Step 5: Solve for x
x = 106,672,678,351,496.91/11,918,259.60 - Step 6: Final answer
x = 8,950,357.01
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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.