Finding the Fourth Proportional to 8,188,936.68, 12,282,962.40 and 2,509,177.80
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Solution
The fourth proportional to 8,188,936.68, 12,282,962.40 and 2,509,177.80 is: 3,763,631.08
Step by Step Solution
- Step 1: Write the proportion equation
8,188,936.68 : 12,282,962.40 = 2,509,177.80 : x - Step 2: Convert to fraction form
8,188,936.68/12,282,962.40 = 2,509,177.80/x - Step 3: Cross multiply
8,188,936.68x = 12,282,962.40 × 2,509,177.80 - Step 4: Simplify right side
8,188,936.68x = 30,820,136,572,314.72 - Step 5: Solve for x
x = 30,820,136,572,314.72/8,188,936.68 - Step 6: Final answer
x = 3,763,631.08
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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.