Finding the Fourth Proportional to 19,934,632.13, 27,509,811.84 and 10,767,274.88
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Solution
The fourth proportional to 19,934,632.13, 27,509,811.84 and 10,767,274.88 is: 14,858,849.86
Step by Step Solution
- Step 1: Write the proportion equation
19,934,632.13 : 27,509,811.84 = 10,767,274.88 : x - Step 2: Convert to fraction form
19,934,632.13/27,509,811.84 = 10,767,274.88/x - Step 3: Cross multiply
19,934,632.13x = 27,509,811.84 × 10,767,274.88 - Step 4: Simplify right side
19,934,632.13x = 296,205,705,840,809.50 - Step 5: Solve for x
x = 296,205,705,840,809.50/19,934,632.13 - Step 6: Final answer
x = 14,858,849.86
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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.