Finding the Fourth Proportional to 20,239,993.39, 30,359,966.51 and 6,593,117.75
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Solution
The fourth proportional to 20,239,993.39, 30,359,966.51 and 6,593,117.75 is: 9,889,668.95
Step by Step Solution
- Step 1: Write the proportion equation
20,239,993.39 : 30,359,966.51 = 6,593,117.75 : x - Step 2: Convert to fraction form
20,239,993.39/30,359,966.51 = 6,593,117.75/x - Step 3: Cross multiply
20,239,993.39x = 30,359,966.51 × 6,593,117.75 - Step 4: Simplify right side
20,239,993.39x = 200,166,834,086,486.56 - Step 5: Solve for x
x = 200,166,834,086,486.56/20,239,993.39 - Step 6: Final answer
x = 9,889,668.95
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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.