Finding the Fourth Proportional to 57,809,318.64, 86,713,932.84 and 17,419,803.12
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Solution
The fourth proportional to 57,809,318.64, 86,713,932.84 and 17,419,803.12 is: 26,129,691.08
Step by Step Solution
- Step 1: Write the proportion equation
57,809,318.64 : 86,713,932.84 = 17,419,803.12 : x - Step 2: Convert to fraction form
57,809,318.64/86,713,932.84 = 17,419,803.12/x - Step 3: Cross multiply
57,809,318.64x = 86,713,932.84 × 17,419,803.12 - Step 4: Simplify right side
57,809,318.64x = 1,510,539,637,833,702.50 - Step 5: Solve for x
x = 1,510,539,637,833,702.50/57,809,318.64 - Step 6: Final answer
x = 26,129,691.08
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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.