Finding the Fourth Proportional to 15,088,995.49, 20,823,316.74 and 8,474,749.53
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Solution
The fourth proportional to 15,088,995.49, 20,823,316.74 and 8,474,749.53 is: 11,695,436.84
Step by Step Solution
- Step 1: Write the proportion equation
15,088,995.49 : 20,823,316.74 = 8,474,749.53 : x - Step 2: Convert to fraction form
15,088,995.49/20,823,316.74 = 8,474,749.53/x - Step 3: Cross multiply
15,088,995.49x = 20,823,316.74 × 8,474,749.53 - Step 4: Simplify right side
15,088,995.49x = 176,472,393,749,381.62 - Step 5: Solve for x
x = 176,472,393,749,381.62/15,088,995.49 - Step 6: Final answer
x = 11,695,436.84
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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.