Finding the Fourth Proportional to 27,419,291.20, 37,838,625.44 and 15,196,937.28
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Solution
The fourth proportional to 27,419,291.20, 37,838,625.44 and 15,196,937.28 is: 20,971,775.43
Step by Step Solution
- Step 1: Write the proportion equation
27,419,291.20 : 37,838,625.44 = 15,196,937.28 : x - Step 2: Convert to fraction form
27,419,291.20/37,838,625.44 = 15,196,937.28/x - Step 3: Cross multiply
27,419,291.20x = 37,838,625.44 × 15,196,937.28 - Step 4: Simplify right side
27,419,291.20x = 575,031,217,573,092.38 - Step 5: Solve for x
x = 575,031,217,573,092.38/27,419,291.20 - Step 6: Final answer
x = 20,971,775.43
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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.