Finding the Fourth Proportional to 8,977,642.20, 13,468,356.90 and 2,911,902.84
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Solution
The fourth proportional to 8,977,642.20, 13,468,356.90 and 2,911,902.84 is: 4,368,468.45
Step by Step Solution
- Step 1: Write the proportion equation
8,977,642.20 : 13,468,356.90 = 2,911,902.84 : x - Step 2: Convert to fraction form
8,977,642.20/13,468,356.90 = 2,911,902.84/x - Step 3: Cross multiply
8,977,642.20x = 13,468,356.90 × 2,911,902.84 - Step 4: Simplify right side
8,977,642.20x = 39,218,546,707,243.59 - Step 5: Solve for x
x = 39,218,546,707,243.59/8,977,642.20 - Step 6: Final answer
x = 4,368,468.45
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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.