Finding the Fourth Proportional to 57,692,198.84, 86,538,502.72 and 13,972,986.68
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Solution
The fourth proportional to 57,692,198.84, 86,538,502.72 and 13,972,986.68 is: 20,959,529.54
Step by Step Solution
- Step 1: Write the proportion equation
57,692,198.84 : 86,538,502.72 = 13,972,986.68 : x - Step 2: Convert to fraction form
57,692,198.84/86,538,502.72 = 13,972,986.68/x - Step 3: Cross multiply
57,692,198.84x = 86,538,502.72 × 13,972,986.68 - Step 4: Simplify right side
57,692,198.84x = 1,209,201,345,813,703.75 - Step 5: Solve for x
x = 1,209,201,345,813,703.75/57,692,198.84 - Step 6: Final answer
x = 20,959,529.54
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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.