Finding the Fourth Proportional to 27,397,357.84, 37,803,910.98 and 16,388,656.48
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Solution
The fourth proportional to 27,397,357.84, 37,803,910.98 and 16,388,656.48 is: 22,613,688.31
Step by Step Solution
- Step 1: Write the proportion equation
27,397,357.84 : 37,803,910.98 = 16,388,656.48 : x - Step 2: Convert to fraction form
27,397,357.84/37,803,910.98 = 16,388,656.48/x - Step 3: Cross multiply
27,397,357.84x = 37,803,910.98 × 16,388,656.48 - Step 4: Simplify right side
27,397,357.84x = 619,555,310,651,720.12 - Step 5: Solve for x
x = 619,555,310,651,720.12/27,397,357.84 - Step 6: Final answer
x = 22,613,688.31
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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.