Finding the Fourth Proportional to 42,119,054.21, 63,182,436.92 and 11,826,713.09
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Solution
The fourth proportional to 42,119,054.21, 63,182,436.92 and 11,826,713.09 is: 17,741,152.26
Step by Step Solution
- Step 1: Write the proportion equation
42,119,054.21 : 63,182,436.92 = 11,826,713.09 : x - Step 2: Convert to fraction form
42,119,054.21/63,182,436.92 = 11,826,713.09/x - Step 3: Cross multiply
42,119,054.21x = 63,182,436.92 × 11,826,713.09 - Step 4: Simplify right side
42,119,054.21x = 747,240,553,720,729.75 - Step 5: Solve for x
x = 747,240,553,720,729.75/42,119,054.21 - Step 6: Final answer
x = 17,741,152.26
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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.