Finding the Fourth Proportional to 12,290,354.04, 16,958,156.55 and 7,062,352.08
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Solution
The fourth proportional to 12,290,354.04, 16,958,156.55 and 7,062,352.08 is: 9,744,590.90
Step by Step Solution
- Step 1: Write the proportion equation
12,290,354.04 : 16,958,156.55 = 7,062,352.08 : x - Step 2: Convert to fraction form
12,290,354.04/16,958,156.55 = 7,062,352.08/x - Step 3: Cross multiply
12,290,354.04x = 16,958,156.55 × 7,062,352.08 - Step 4: Simplify right side
12,290,354.04x = 119,764,472,183,858.12 - Step 5: Solve for x
x = 119,764,472,183,858.12/12,290,354.04 - Step 6: Final answer
x = 9,744,590.90
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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.