Finding the Fourth Proportional to 19,960,646.21, 27,545,672.48 and 10,793,267.09
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Solution
The fourth proportional to 19,960,646.21, 27,545,672.48 and 10,793,267.09 is: 14,894,698.15
Step by Step Solution
- Step 1: Write the proportion equation
19,960,646.21 : 27,545,672.48 = 10,793,267.09 : x - Step 2: Convert to fraction form
19,960,646.21/27,545,672.48 = 10,793,267.09/x - Step 3: Cross multiply
19,960,646.21x = 27,545,672.48 × 10,793,267.09 - Step 4: Simplify right side
19,960,646.21x = 297,307,800,058,608 - Step 5: Solve for x
x = 297,307,800,058,608/19,960,646.21 - Step 6: Final answer
x = 14,894,698.15
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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.