Finding the Fourth Proportional to 18,819,482.08, 28,231,555.92 and 5,357,359.84
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Solution
The fourth proportional to 18,819,482.08, 28,231,555.92 and 5,357,359.84 is: 8,036,703.84
Step by Step Solution
- Step 1: Write the proportion equation
18,819,482.08 : 28,231,555.92 = 5,357,359.84 : x - Step 2: Convert to fraction form
18,819,482.08/28,231,555.92 = 5,357,359.84/x - Step 3: Cross multiply
18,819,482.08x = 28,231,555.92 × 5,357,359.84 - Step 4: Simplify right side
18,819,482.08x = 151,246,603,906,522.25 - Step 5: Solve for x
x = 151,246,603,906,522.25/18,819,482.08 - Step 6: Final answer
x = 8,036,703.84
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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.