Finding the Fourth Proportional to 14,370,170.27, 19,827,874.64 and 8,257,417.79
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Solution
The fourth proportional to 14,370,170.27, 19,827,874.64 and 8,257,417.79 is: 11,393,535.47
Step by Step Solution
- Step 1: Write the proportion equation
14,370,170.27 : 19,827,874.64 = 8,257,417.79 : x - Step 2: Convert to fraction form
14,370,170.27/19,827,874.64 = 8,257,417.79/x - Step 3: Cross multiply
14,370,170.27x = 19,827,874.64 × 8,257,417.79 - Step 4: Simplify right side
14,370,170.27x = 163,727,044,649,799.41 - Step 5: Solve for x
x = 163,727,044,649,799.41/14,370,170.27 - Step 6: Final answer
x = 11,393,535.47
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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.