Finding the Fourth Proportional to 16,816,261.74, 23,206,440.96 and 9,081,303.84
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Solution
The fourth proportional to 16,816,261.74, 23,206,440.96 and 9,081,303.84 is: 12,532,199.17
Step by Step Solution
- Step 1: Write the proportion equation
16,816,261.74 : 23,206,440.96 = 9,081,303.84 : x - Step 2: Convert to fraction form
16,816,261.74/23,206,440.96 = 9,081,303.84/x - Step 3: Cross multiply
16,816,261.74x = 23,206,440.96 × 9,081,303.84 - Step 4: Simplify right side
16,816,261.74x = 210,744,741,402,781.28 - Step 5: Solve for x
x = 210,744,741,402,781.28/16,816,261.74 - Step 6: Final answer
x = 12,532,199.17
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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.