Finding the Fourth Proportional to 10,174,681.48, 14,027,030.20 and 8,116,682.08
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Solution
The fourth proportional to 10,174,681.48, 14,027,030.20 and 8,116,682.08 is: 11,189,828.88
Step by Step Solution
- Step 1: Write the proportion equation
10,174,681.48 : 14,027,030.20 = 8,116,682.08 : x - Step 2: Convert to fraction form
10,174,681.48/14,027,030.20 = 8,116,682.08/x - Step 3: Cross multiply
10,174,681.48x = 14,027,030.20 × 8,116,682.08 - Step 4: Simplify right side
10,174,681.48x = 113,852,944,659,958.81 - Step 5: Solve for x
x = 113,852,944,659,958.81/10,174,681.48 - Step 6: Final answer
x = 11,189,828.88
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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.