Finding the Fourth Proportional to 18,533,909.26, 27,804,877.71 and 7,604,124.04
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Solution
The fourth proportional to 18,533,909.26, 27,804,877.71 and 7,604,124.04 is: 11,407,832.86
Step by Step Solution
- Step 1: Write the proportion equation
18,533,909.26 : 27,804,877.71 = 7,604,124.04 : x - Step 2: Convert to fraction form
18,533,909.26/27,804,877.71 = 7,604,124.04/x - Step 3: Cross multiply
18,533,909.26x = 27,804,877.71 × 7,604,124.04 - Step 4: Simplify right side
18,533,909.26x = 211,431,739,023,871.16 - Step 5: Solve for x
x = 211,431,739,023,871.16/18,533,909.26 - Step 6: Final answer
x = 11,407,832.86
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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.