Finding the Fourth Proportional to 18,069,253.19, 27,103,879.02 and 5,289,757.83
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Solution
The fourth proportional to 18,069,253.19, 27,103,879.02 and 5,289,757.83 is: 7,934,636.52
Step by Step Solution
- Step 1: Write the proportion equation
18,069,253.19 : 27,103,879.02 = 5,289,757.83 : x - Step 2: Convert to fraction form
18,069,253.19/27,103,879.02 = 5,289,757.83/x - Step 3: Cross multiply
18,069,253.19x = 27,103,879.02 × 5,289,757.83 - Step 4: Simplify right side
18,069,253.19x = 143,372,956,269,417.72 - Step 5: Solve for x
x = 143,372,956,269,417.72/18,069,253.19 - Step 6: Final answer
x = 7,934,636.52
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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.