Finding the Fourth Proportional to 19,482,707.84, 26,864,134.96 and 14,572,192.96
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Solution
The fourth proportional to 19,482,707.84, 26,864,134.96 and 14,572,192.96 is: 20,093,169.88
Step by Step Solution
- Step 1: Write the proportion equation
19,482,707.84 : 26,864,134.96 = 14,572,192.96 : x - Step 2: Convert to fraction form
19,482,707.84/26,864,134.96 = 14,572,192.96/x - Step 3: Cross multiply
19,482,707.84x = 26,864,134.96 × 14,572,192.96 - Step 4: Simplify right side
19,482,707.84x = 391,469,358,340,601.94 - Step 5: Solve for x
x = 391,469,358,340,601.94/19,482,707.84 - Step 6: Final answer
x = 20,093,169.88
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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.