Finding the Fourth Proportional to 33,479,731.51, 46,207,072.02 and 20,434,571.07
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Solution
The fourth proportional to 33,479,731.51, 46,207,072.02 and 20,434,571.07 is: 28,202,785.82
Step by Step Solution
- Step 1: Write the proportion equation
33,479,731.51 : 46,207,072.02 = 20,434,571.07 : x - Step 2: Convert to fraction form
33,479,731.51/46,207,072.02 = 20,434,571.07/x - Step 3: Cross multiply
33,479,731.51x = 46,207,072.02 × 20,434,571.07 - Step 4: Simplify right side
33,479,731.51x = 944,221,697,129,298.50 - Step 5: Solve for x
x = 944,221,697,129,298.50/33,479,731.51 - Step 6: Final answer
x = 28,202,785.82
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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.