Finding the Fourth Proportional to 27,699,437.24, 38,227,201.39 and 15,309,264.41
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Solution
The fourth proportional to 27,699,437.24, 38,227,201.39 and 15,309,264.41 is: 21,127,878.11
Step by Step Solution
- Step 1: Write the proportion equation
27,699,437.24 : 38,227,201.39 = 15,309,264.41 : x - Step 2: Convert to fraction form
27,699,437.24/38,227,201.39 = 15,309,264.41/x - Step 3: Cross multiply
27,699,437.24x = 38,227,201.39 × 15,309,264.41 - Step 4: Simplify right side
27,699,437.24x = 585,230,333,733,829.50 - Step 5: Solve for x
x = 585,230,333,733,829.50/27,699,437.24 - Step 6: Final answer
x = 21,127,878.11
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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.