Finding the Fourth Proportional to 19,823,479.92, 27,366,014.16 and 13,294,721.16
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Solution
The fourth proportional to 19,823,479.92, 27,366,014.16 and 13,294,721.16 is: 18,353,161.45
Step by Step Solution
- Step 1: Write the proportion equation
19,823,479.92 : 27,366,014.16 = 13,294,721.16 : x - Step 2: Convert to fraction form
19,823,479.92/27,366,014.16 = 13,294,721.16/x - Step 3: Cross multiply
19,823,479.92x = 27,366,014.16 × 13,294,721.16 - Step 4: Simplify right side
19,823,479.92x = 363,823,527,517,811.62 - Step 5: Solve for x
x = 363,823,527,517,811.62/19,823,479.92 - Step 6: Final answer
x = 18,353,161.45
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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.