Finding the Fourth Proportional to 16,779,881.07, 23,143,115.99 and 10,901,409.75
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Solution
The fourth proportional to 16,779,881.07, 23,143,115.99 and 10,901,409.75 is: 15,035,421.84
Step by Step Solution
- Step 1: Write the proportion equation
16,779,881.07 : 23,143,115.99 = 10,901,409.75 : x - Step 2: Convert to fraction form
16,779,881.07/23,143,115.99 = 10,901,409.75/x - Step 3: Cross multiply
16,779,881.07x = 23,143,115.99 × 10,901,409.75 - Step 4: Simplify right side
16,779,881.07x = 252,292,590,244,259.84 - Step 5: Solve for x
x = 252,292,590,244,259.84/16,779,881.07 - Step 6: Final answer
x = 15,035,421.84
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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.