Finding the Fourth Proportional to 18,167,256.19, 27,228,444.72 and 15,590,357.83
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Solution
The fourth proportional to 18,167,256.19, 27,228,444.72 and 15,590,357.83 is: 23,366,280.08
Step by Step Solution
- Step 1: Write the proportion equation
18,167,256.19 : 27,228,444.72 = 15,590,357.83 : x - Step 2: Convert to fraction form
18,167,256.19/27,228,444.72 = 15,590,357.83/x - Step 3: Cross multiply
18,167,256.19x = 27,228,444.72 × 15,590,357.83 - Step 4: Simplify right side
18,167,256.19x = 424,501,196,339,174.12 - Step 5: Solve for x
x = 424,501,196,339,174.12/18,167,256.19 - Step 6: Final answer
x = 23,366,280.08
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1.5x scale
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.