Finding the Fourth Proportional to 23,142,913.81, 34,716,259.80 and 11,622,456.19
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Solution
The fourth proportional to 23,142,913.81, 34,716,259.80 and 11,622,456.19 is: 17,434,632.99
Step by Step Solution
- Step 1: Write the proportion equation
23,142,913.81 : 34,716,259.80 = 11,622,456.19 : x - Step 2: Convert to fraction form
23,142,913.81/34,716,259.80 = 11,622,456.19/x - Step 3: Cross multiply
23,142,913.81x = 34,716,259.80 × 11,622,456.19 - Step 4: Simplify right side
23,142,913.81x = 403,488,208,606,158.12 - Step 5: Solve for x
x = 403,488,208,606,158.12/23,142,913.81 - Step 6: Final answer
x = 17,434,632.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.