Finding the Fourth Proportional to 18,128,783.48, 27,193,925.68 and 5,349,287.94
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Solution
The fourth proportional to 18,128,783.48, 27,193,925.68 and 5,349,287.94 is: 8,024,153.35
Step by Step Solution
- Step 1: Write the proportion equation
18,128,783.48 : 27,193,925.68 = 5,349,287.94 : x - Step 2: Convert to fraction form
18,128,783.48/27,193,925.68 = 5,349,287.94/x - Step 3: Cross multiply
18,128,783.48x = 27,193,925.68 × 5,349,287.94 - Step 4: Simplify right side
18,128,783.48x = 145,468,138,681,280.31 - Step 5: Solve for x
x = 145,468,138,681,280.31/18,128,783.48 - Step 6: Final answer
x = 8,024,153.35
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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.