Finding the Fourth Proportional to 18,149,027.60, 27,223,541.40 and 14,747,805.20
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Solution
The fourth proportional to 18,149,027.60, 27,223,541.40 and 14,747,805.20 is: 22,121,707.80
Step by Step Solution
- Step 1: Write the proportion equation
18,149,027.60 : 27,223,541.40 = 14,747,805.20 : x - Step 2: Convert to fraction form
18,149,027.60/27,223,541.40 = 14,747,805.20/x - Step 3: Cross multiply
18,149,027.60x = 27,223,541.40 × 14,747,805.20 - Step 4: Simplify right side
18,149,027.60x = 401,487,485,421,335.25 - Step 5: Solve for x
x = 401,487,485,421,335.25/18,149,027.60 - Step 6: Final answer
x = 22,121,707.80
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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.