Finding the Fourth Proportional to 27,218,675.97, 37,536,542.12 and 19,864,860.93
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Solution
The fourth proportional to 27,218,675.97, 37,536,542.12 and 19,864,860.93 is: 27,395,094.08
Step by Step Solution
- Step 1: Write the proportion equation
27,218,675.97 : 37,536,542.12 = 19,864,860.93 : x - Step 2: Convert to fraction form
27,218,675.97/37,536,542.12 = 19,864,860.93/x - Step 3: Cross multiply
27,218,675.97x = 37,536,542.12 × 19,864,860.93 - Step 4: Simplify right side
27,218,675.97x = 745,658,189,056,549.50 - Step 5: Solve for x
x = 745,658,189,056,549.50/27,218,675.97 - Step 6: Final answer
x = 27,395,094.08
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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.