Finding the Fourth Proportional to 34,538,660.26, 47,667,530.80 and 19,657,602.60
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Solution
The fourth proportional to 34,538,660.26, 47,667,530.80 and 19,657,602.60 is: 27,129,870.42
Step by Step Solution
- Step 1: Write the proportion equation
34,538,660.26 : 47,667,530.80 = 19,657,602.60 : x - Step 2: Convert to fraction form
34,538,660.26/47,667,530.80 = 19,657,602.60/x - Step 3: Cross multiply
34,538,660.26x = 47,667,530.80 × 19,657,602.60 - Step 4: Simplify right side
34,538,660.26x = 937,029,377,389,660.12 - Step 5: Solve for x
x = 937,029,377,389,660.12/34,538,660.26 - Step 6: Final answer
x = 27,129,870.42
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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.