Finding the Fourth Proportional to 19,710,117.84, 27,197,274.72 and 11,007,180.84
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Solution
The fourth proportional to 19,710,117.84, 27,197,274.72 and 11,007,180.84 is: 15,188,408.49
Step by Step Solution
- Step 1: Write the proportion equation
19,710,117.84 : 27,197,274.72 = 11,007,180.84 : x - Step 2: Convert to fraction form
19,710,117.84/27,197,274.72 = 11,007,180.84/x - Step 3: Cross multiply
19,710,117.84x = 27,197,274.72 × 11,007,180.84 - Step 4: Simplify right side
19,710,117.84x = 299,365,321,198,200.38 - Step 5: Solve for x
x = 299,365,321,198,200.38/19,710,117.84 - Step 6: Final answer
x = 15,188,408.49
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1.5x scale
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.