Finding the Fourth Proportional to 27,399,702.68, 37,811,634.34 and 15,009,524.12
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Solution
The fourth proportional to 27,399,702.68, 37,811,634.34 and 15,009,524.12 is: 20,713,167.75
Step by Step Solution
- Step 1: Write the proportion equation
27,399,702.68 : 37,811,634.34 = 15,009,524.12 : x - Step 2: Convert to fraction form
27,399,702.68/37,811,634.34 = 15,009,524.12/x - Step 3: Cross multiply
27,399,702.68x = 37,811,634.34 × 15,009,524.12 - Step 4: Simplify right side
27,399,702.68x = 567,534,637,699,855.50 - Step 5: Solve for x
x = 567,534,637,699,855.50/27,399,702.68 - Step 6: Final answer
x = 20,713,167.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.