Finding the Fourth Proportional to 8,338,136.22, 12,482,865.45 and 5,133,646.62
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Solution
The fourth proportional to 8,338,136.22, 12,482,865.45 and 5,133,646.62 is: 7,685,484.90
Step by Step Solution
- Step 1: Write the proportion equation
8,338,136.22 : 12,482,865.45 = 5,133,646.62 : x - Step 2: Convert to fraction form
8,338,136.22/12,482,865.45 = 5,133,646.62/x - Step 3: Cross multiply
8,338,136.22x = 12,482,865.45 × 5,133,646.62 - Step 4: Simplify right side
8,338,136.22x = 64,082,620,025,307.27 - Step 5: Solve for x
x = 64,082,620,025,307.27/8,338,136.22 - Step 6: Final answer
x = 7,685,484.90
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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.