Finding the Fourth Proportional to 34,305,434.55, 47,342,321.51 and 18,625,118.70
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Solution
The fourth proportional to 34,305,434.55, 47,342,321.51 and 18,625,118.70 is: 25,703,110.00
Step by Step Solution
- Step 1: Write the proportion equation
34,305,434.55 : 47,342,321.51 = 18,625,118.70 : x - Step 2: Convert to fraction form
34,305,434.55/47,342,321.51 = 18,625,118.70/x - Step 3: Cross multiply
34,305,434.55x = 47,342,321.51 × 18,625,118.70 - Step 4: Simplify right side
34,305,434.55x = 881,756,357,741,721.38 - Step 5: Solve for x
x = 881,756,357,741,721.38/34,305,434.55 - Step 6: Final answer
x = 25,703,110.00
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1.5x scale
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.