Finding the Fourth Proportional to 19,960,208.71, 27,538,322.29 and 16,282,768.21
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Solution
The fourth proportional to 19,960,208.71, 27,538,322.29 and 16,282,768.21 is: 22,464,700.91
Step by Step Solution
- Step 1: Write the proportion equation
19,960,208.71 : 27,538,322.29 = 16,282,768.21 : x - Step 2: Convert to fraction form
19,960,208.71/27,538,322.29 = 16,282,768.21/x - Step 3: Cross multiply
19,960,208.71x = 27,538,322.29 × 16,282,768.21 - Step 4: Simplify right side
19,960,208.71x = 448,400,118,740,346.44 - Step 5: Solve for x
x = 448,400,118,740,346.44/19,960,208.71 - Step 6: Final answer
x = 22,464,700.91
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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.